Saturday, September 17, 2011

GOING NUCLEAR



Chpt 2 of my book "Believing Bullshit" which you should rush off and buy. New Scientist interview here. Newsweek interview here.

Suppose Mike is involved in a debate about the truth of his own particular New Age belief system. Things are not going well for him. Mike’s arguments are being picked apart, and, worse still, his opponents have come up with several devastating objections that he can’t deal with. How might Mike get himself out of this bind?

One possibility is to adopt the strategy I call Going Nuclear. Going Nuclear is an attempt to unleash an argument that lays waste to every position, bringing them all down to the same level of “reasonableness”. Mike might try to force a draw by detonating a philosophical argument that achieves what during the Cold War was called “mutually assured destruction”, in which both sides in the conflict are annihilated.

There are two main variants of Going Nuclear: skeptical and relativist. I’ll begin with some skeptical versions.

1. SKEPTICAL VERSIONS OF GOING NUCLEAR

Skepticism about reason


In philosophy, a “skeptic” is someone who denies we have knowledge in a given area. Here is a classic example of a skeptical argument:

Whenever we argue about the truth or falsity of a belief, we apply our powers of reason. But why suppose that reason is itself a reliable route to the truth? We might attempt to justify our use of reason, of course. But any justification of reason that we offer will itself rely on reason. Relying on reason to justify our reliance on reason is a bit like taking a second-hand car salesman’s word for it that he is trustworthy – it’s an entirely circular justification, and so no justification at all! So it turns out that our reliance on reason is entirely unjustified. It’s a leap of faith!

From the claim that our reliance on reason is unjustified, it is seemingly then but a short step to the conclusion that no belief is justified:

But if reliance on reason cannot be justified, then, because every rational justification relies on reason, so no belief can be justified. But if no belief is justified, then, ultimately, everything is a faith position! But then your belief is no more reasonable than mine. Get out of that!


Whether or not this is actually a good argument for the conclusion that no belief is justified is not a question I’ll address here. The point is, at first sight, it does look pretty persuasive. It’s not easy to spot precisely where the argument goes wrong, if, indeed, it goes wrong at all. This means that if Mike’s belief system is taking a beating, rationally speaking, Mike can adopt the last-ditch tactic of employing this skeptical argument. Mike can then admit that his belief might not be justified. But he can insist that his opponent’s belief system cannot be justified either. The skeptical argument offers Mike a wonderful “get out of jail free” card. It allows him to walk away with his head held high, saying, “So you see? In the last analysis, our beliefs are equally (ir)rational! They are both ‘faith positions’!”

You can see why I call this strategy “Going Nuclear”. Once Mike plays the skeptical card, all his opponent’s hard work in constructing arguments against Mike’s position counts for nothing. Kaboom! At one stroke, Mike demolishes them all. He lays waste to every rational argument, bringing every belief down to the same level.

In order for Mike’s opponent to deal with his Going Nuclear, they will now have to refute his philosophical argument. That is a difficult, perhaps impossible, thing to do. They are certainly going to struggle. As a result, any audience to their debate will be struck not only by Mike’s sophistication in employing such a devastating philosophical objection, but also by his opponent’s mounting frustration as they wrestle with the thorny philosophical conundrum Mike has set them. It’s quite likely Mike will be perceived to be the intellectual victor in this exchange. At the very least, he won’t be thought to have lost.

This version of Going Nuclear can be employed in defence of a wide variety of beliefs. Believe in the curative powers of crystals, or that there’s a family of fairies living at the bottom of your garden? If you find yourself on the losing side of the argument, you can always employ Going Nuclear as a last ditch, face-saving strategy.

So what, exactly, is wrong with this version of Going Nuclear? After all, it might be that the skeptical argument Mike has employed really is a good argument. Perhaps every belief system really is as rational as every other. So, if Mike finds himself argued into a corner, why shouldn’t he employ such a skeptical argument?

Because it’s almost certainly an intellectually dishonest ruse. Those who press the nuclear button rarely do so in good faith. Bear in mind that, in such discussions, playing the skeptical card really is the nuclear option. By Going Nuclear, Mike avoids defeat, but only by utterly annihilating the rationality of every belief. All positions, no matter how sensible or nuts, come out as equally (ir)rational.

If Mike is to be consistent, he must now accept that that the Earth is flat, that the Earth is round, that milk makes people fly, that it doesn’t, that astrology is true, that is isn’t – that all these beliefs are equally (un)reasonable. Now of course, Mike almost certainly doesn’t believe any of this. The fact is, he does think reason provides us with a fairly reliable tool for establishing what is true and what isn’t. We all rely on reason in our day-to-day lives – Mike included. In fact, Mike constantly trusts his life to reason, whenever, for example, he trusts that the brakes on his car will work, that a bridge will support his weight, that a medicine will save his life, and so on.

Indeed, those who employ this version of Going Nuclear are usually quite content to rely on reason to make their case just so long as they are not losing the argument. It’s only when the tide of rationality turns against them that they reach for the nuclear button. And of course, once their opponent has left the room, they’ll start using reason again to try to prop up their belief. That’s downright hypocritical.

So this version of Going Nuclear is, in truth, almost always a ploy. Those who use it don’t usually believe what they’re saying about reason. They say it only to raise enough dust and confusion to make quick their escape.

A religious example

The skeptical version of Going Nuclear outlined above crops up quite often in debates about the truth of religion. For example, responding to rational arguments raised against his beliefs, one Orthodox Jew writes:

The belief in reason seems no less a dogma than any other.

Perhaps belief in reason is, ultimately, a dogma. However, if this person relies on reason in every other aspect of their life, and appeals to reason whenever it appears to support their particular religious beliefs, then they are guilty of hypocrisy. Playing the skeptical card is merely a ruse they selectively employ in order to avoid having to admit that what they believe has been revealed, by the standards that they accept and employ in every other aspect of their life, to be false.

Skepticism about the external world

There are several variants of the skeptical version of Going Nuclear. Sometimes a different skeptical argument is employed. Here’s another example.

Suppose a theist finds herself in the losing side of a debate with atheists about the existence of God. Her own arguments for the existence of God have been shown to be weak, and she is struggling to deal with the evidential problem of evil (see 2nd appendix to my introduction) raised by her opponents. As a last-ditch strategy she may try this: admit that her own belief involves a leap of faith, but then add that her atheist opponents make a similar leap of faith when it comes to trusting their senses.

Atheists, after all, believe they inhabit a physical world filled with mountains, oceans, trees, houses and people. But they believe this only because that is the kind of world their senses of sight, hearing, taste, touch, smell and so on seem to reveal. How can they know their senses are a reliable guide to the truth? How can they know that their experiences are produced by a real world, rather than, say, a supercomputer generating a sophisticated virtual reality, as in the film The Matrix? After all, everything would seem exactly the same, either way. So, it seems atheists cannot justify their belief in such an external world. But if atheists cannot justify their belief in such an external world, then they don’t know that such a world exists. Their belief that there is such a world must involve a huge leap of faith.

Having set up this skeptical argument, our theist may then add that she happens to enjoy, not only sensory experiences, but also a God experience. God, she supposes, reveals himself to her. But then, precisely because she trusts her God experience – she supposes that it is not a delusion but genuinely reveals God – she doesn’t then have to place any additional faith in the reliability of her other senses. Why? Because the kind of God she seems to experience is no deceiver. She can be sure that, if there is such a God, then he will have provided her with senses that are fairly trustworthy. So, for such a theist, trusting her senses does not require any further leap of faith.

In which case, our theist may conclude, for someone who has such religious experiences, belief in God need be no more a faith position than the atheist’s belief in the external world. The two beliefs are actually intellectually on par. It’s leaps of faith all round.

Notice, incidentally, that our theist may make the same suggestion about the atheist’s use of logic and reason. She may say that atheists just assume that their use of logic is reliable – they cannot ultimately justify it (for the reason we saw above). But, because our theist places her faith in her God experience, she doesn’t have to make a leap of faith so far as her use of logic is concerned. Her God would not allow her to be deceived about the reliability of logic.

Criticism

Perhaps it’s true that atheism is a faith position because any belief about how things stand outside of our own minds is ultimately a faith position (though this is certainly controversial – some philosophers would say we are justified in supposing there is a physical world of mountains, oceans, tress, houses, and so on because that hypothesis provides the best available explanation of what we experience, a better explanation than the Matrix-type hypothesis that it’s all an elaborate computer-generated illusion). However, even if any belief about the external world involves a leap of faith, it does not follow that it is as reasonable for a theist to place their trust in their God experience as it is for atheists to trust their senses.

First of all, note that, while we have no obvious grounds for supposing our ordinary senses are highly untrustworthy, there are very obvious grounds for supposing that such religious experiences are, as a rule, untrustworthy (see “I Just Know!” for details). The content of the religious experiences people report appears very largely to be a product of their culture, and sometimes also the mind-altering practices they tend to engage in, rather than any sort of divine reality.

Secondly, and still more significantly, even if our Theist’s assumption that she is experiencing God leads her to trust her other senses, her other senses then appear to furnish her with ample evidence that there is no such benevolent God. There is, for example, the evidential problem of evil – surely an all-powerful and all-good God would not have created a world of the sort her sense reveal: a world containing so much appalling suffering. So, unlike the assumption that our other senses are reliable, her Theistic assumption ends up undermining itself.

In short, this version of Going Nuclear doesn’t work. The Theist’s assumption that her God experience is reliable appears, on closer examination, to be far less reasonable than the atheist’s assumption that our other senses are reliable. It may be leaps of faith all round, but some leaps are much, much bigger than others.

Beyond Going Nuclear


There is an interesting twist on Going Nuclear popular in certain religious circles – a twist that involves combining Going Nuclear with “I Just Know!”. It runs as follows.

God, some theists maintain, has provided them direct and certain knowledge of his existence. So, they suppose, they don’t have to assume God exists. They know he does (see “I Just Know!”). And, armed with this certain knowledge that God exists, she can then justify her reliance on logic and her senses. The God she knows exists would not allow her to be deceived in her use of logic and her senses. But the atheist, she thinks, has no such justification. So the atheist remains mired in skepticism.

Such a theist might be tempted to respond to her atheist critics by saying, “Ah, you are attempting to using logic against me, but of course, unlike me, you are not entitled to are you?” In fact this is one of the main argumentative strategies of one well-known commenter on various religious and atheist blogs who, in response to any rational criticism of extreme, Bible-literalist brand of theism, typically ignores it, saying something like this:

I submit, that your worldview cannot justify the universal, abstract, invariant, laws of logic, which YOU presuppose in all of YOUR arguments, whereas mine can, and does.


Notice that, though this theist is playing the skeptical card, he is not, strictly speaking, Going Nuclear. Going Nuclear involves bringing all positions down to the same level of rationality. The claim made here is that only the atheist ends up mired in skepticism. Our theist plays the skeptical card in order to undermine the arguments of his atheist critics. However, our theist (he supposes) achieves a literally miraculous escape from skepticism himself. With one bound he is free – saved by the grace of God, whom, he supposes, provides him infallible knowledge of God’s existence, knowledge that can then be used to justify his own reliance on logic.

This way of dealing with criticisms of theism also fails. Whether or not our theist is right to claim the atheist is mired in skepticism, he’s still obliged to deal with the atheist’s arguments and objections. Suppose an atheist appears to have provided what looks like a cogent argument that our theist’s God does not exist, or good evidence that our theist is deluded in supposing that he “just knows” his God exists. For the theist to ignore such arguments and say, “But you are using the principles of logic which you can’t justify whereas I can!” is pure evasion. Whether or not atheists can ultimately justify the principles of logic is entirely beside the point. If the atheist’s argument is cogent according to the principles of logic, then our theist’s beliefs are, by his own lights, refuted. So the onus is still on the theist to show that what he has been presented with isn’t a cogent argument. And of course, if the theist can’t do that, then he’s dumped back in the skeptical swamp himself.

2. RELATIVIST VERSIONS OF GOING NUCLEAR


We have looked at two skeptical versions of Going Nuclear, one based on skepticism regarding reason, the other based on skepticism about the external world. However, there are also non-skeptical versions of Going Nuclear. Typically the non-skeptical versions are based on the thought that truth is relative.

Relativism about truth


Relativism is the philosophical view that what is true is relative to believers. There’s no objective Truth with a capital “T” out there to be discovered. Rather, truth is a construction – our construction. There’s your truth, my truth, his truth, her truth. There is, in short, not one Truth, but many truths.

In its simplest form, this sort of relativism says that what is true is what the individual believes to be true. Suppose I believe we are visited by angels. Then, says such a relativist, for me it is true we are visited by angels. If you believe we are not visited by angels, then for you it’s true that we’re not. There’s no fact of the matter as to which of us is actually correct.

Another form of relativism about truth makes truth relative not to individuals, but to communities. Most scientifically-minded Westerners believe that stars and planets have no astrological influence on our lives. But in other cultures it’s supposed that the stars and planets do have such an influence, and that astrologers can use star charts to accurately predict the future. According to this kind of relativist, that the stars and planets have such an influence is false for such Westerners, but true for those other communities. Truth is a social construct. Scientific truth is just one truth among many, all of which are equally “valid”.

Appeals to relativism about truth are popular in certain circles, and might provide Mike with another get-out-of-jail-free card. If Mike finds he is losing the argument about the ability of astral plane therapy to cure disease, he might say:

Well, that astral plane therapy cures disease may not be true for you, but it’s true for me!

The implication is that what’s true about astral plane therapy is a matter of what certain individuals or communities happen to believe about astral plane therapy. Mike’s opponents now not only have to figure out what Mike means by this cryptic remark, they’re then faced with the job of refuting the relativist theory of truth to which Mike has, in effect, signed up. These are complicated tasks that will require time and patience to achieve. In the meantime, Mike’s out the door, leaving his opponent bogged down in the philosophical mire he has created.

Notice that this is also a version of Going Nuclear, because, like the skeptical version, it brings every belief down to the same level, rationally speaking. Every belief is ultimately as “true” as every other.

The absurdity of relativism

It’s worth making a detour at this point to explain just why this kind of relativism is absurd. One reason relativism can seem attractive is that there a few beliefs for which it might, actually, be true. Consider wichitee grubs, for example – the large larvae eaten live by some aboriginal Australians. Some aboriginals consider the grubs a delicacy. Most Westerners, on the other hand, find them revolting (when Jordan, the British glamour model, was challenged to eat several large squirming grubs on a TV programme, she said the experience was “worse than childbirth”).

So what’s the truth about wichitee grubs? Are they delicious, or not? The truth, perhaps, is that there is no Truth-with-a-capital-T about their deliciousness. For those who enjoy the taste of wichitee grubs, it’s true that they’re delicious. For those they don’t it’s false. That’s because the property of being delicious is ultimately rooted, not objectively in the grubs themselves, but rather in our subjective reaction to them.

So, yes, a small band of truths may be relative. But not all (for then, as the philosopher Plato pointed out, the truth that all truths is relative would itself be relative, which entails that, if I believe it’s false that all truths are relative, then I’m right).

One or two people might genuinely believe that individuals create their own reality – that reality is whatever the individual takes it to be. Perhaps actress Shirley MacLaine is an example. She writes

I have learned one deep and meaningful lesson: LIFE, LIVES and REALITY are only what we each perceive them to be. Life doesn’t happen to us. We make it happen.

Such relativist views of reality often crops up in “New Age”circles. A slight variant says that reality is not what we perceive or believe it to be, but what we want it to be. One psychic, concerned about a disagreement between herself and a fellow psychic (who had told her she was about to receive a new “evolved” soul), consulted her spirit guides, who informed her they were both right:

I was told that there is no absolute truth. I was told that ‘truth’ is a very personal, subjective thing. Something that is ‘true’ = a perception or a belief that serves us personally.

My guides then explained this, using the law of attraction to illustrate it. They said:
“You know that your beliefs create your reality and that you can create any reality you want by changing your beliefs. If you focus your attention on something and hold it as a belief, whether you like it or not, you will begin to see evidence of it being true, all around you. Therefore, you must only believe things which feel good to you. Truth is that which feels good to you; that which serves you.”
So, according to my guides:
Truth = something you have focused on, something you decided you want to experience = it shows up in your reality.
Untruth = something you reject, something you don’t want to experience = it doesn’t show up in your reality.


This is an extraordinary quotation (particularly from a website called “psychic but sane”). Initially, it’s suggested that belief creates reality. You should only believe what you want to be true, as whatever you believe (even if its something you don’t want) will become real. But as the quotation progresses, the author seems to switch from the view that reality is what you believe it to be to what we might call the Disney theory of truth – the truth is what you want it to be. In order to make something come true, you need only wish (on a star, perhaps) for it. If your wish doesn’t come true, that’s your own fault: you obviously didn’t wish hard enough. The Disney theory of truth entails that if you get struck down with a horrible disease, then at some level you must have wanted to get ill.

Clearly, the MacLaine-type view on which reality is whatever we perceive it to be can’t be correct. I cannot make it true that I can fly just by supposing that I can. Suppose I jump off this tall building, convinced I’ll soar skywards by flapping my arms. Even if, as I jump, it seems to me I’m flying, the sad fact is I’ll still end up a crumpled heap on the pavement below. Even if I jump off holding hands with my community, every member of which is convinced we’ll fly, we’ll all still plummet to our deaths. To suppose otherwise is, surely, to take the “power of positive thinking” too far.

Before Copernicus, was it true that the Sun really went round the Earth, because that’s how it looked to people? Had Neil Armstrong and enough others believed the Moon was made of cheese, might the Eagle have landed on a sea of Camembert? No. When it comes to whether we can fly by flapping our arms, whether the Sun goes round the Earth, or whether the Moon is made of cheese, how things appear, and how things really are, can, and do, come apart.

The selective appeal to relativism

The view that all truth is relative is supposedly widespread. According to the academic Harold Bloom,

[t]here is one thing a professor can be absolutely certain of: almost every student entering university believes, or says he believes, that truth is relative.

Actually, I doubt that almost every student really believes this. What I don’t doubt is that many students have learned that relativism offers them a useful get-out-of-jail-free card when they find themselves cornered in an argument. They have learned that by saying “Hmm, well, that may be true for you, but it’s not true for me” they can raise enough intellectual dust to make quick their escape.

This is precisely what Mike does above, of course. Like the majority people who play the relativist card when cornered, Mike doesn’t really suppose the truth is whatever we believe it to be. If pressed, it would almost certainly turn out that Mike doesn’t really accept the absurd view that if he really believes he can fly, then he can. Nor will Mike play the relativist card while the argument seems to be going his way. Mike’s relativism is merely a convenient guise that he selectively adopts whenever he’s on the losing end of an argument.

The relativist version of Going Nuclear tends not to be popular with mainstream religious traditionalists who think that there is but One Truth, and that only their particular religion has it. When such religious traditionalists Go Nuclear, they usually opt for the skeptical version. Relativist versions of Going Nuclear are more popular with “New Age” type belief systems.

The “What is truth?” smokescreen

To finish, I’ll mention a related argumentative strategy. Rather than playing the relativist card, you might, if cornered, simply ask what truth is. Truth is a philosophically thorny notion, and it is by no means clear how to define it. So, if Mike finds his New Age belief system is taking a pasting, intellectually speaking, he could try saying this to his critics:

Ah, you claim these things are true. You think you can show they are true. But let me ask you a more fundamental question - what is truth?

Mike’s opponents will no doubt be disorientated by this sudden change of direction in the conversation and baffled by the thorny philosophical question they have been set, giving Mike enough time to head out the door.

Just this tactic seems to have been employed by Pontius Pilate. When he interrogated Jesus prior to the crucifixion, Jesus proclaimed, "Everyone on the side of truth listens to me." (John 18:37). Pilate replied, "What is truth?" and left. As the philosopher Francis Bacon put it in his essay "On Truth":

“What is truth?” said jesting Pilate; and would not stay for an answer.

This kind of use of the question “What is truth?” is the intellectual equivalent of throwing dust in your opponent’s face to make quick your escape. When arguments are going our way, we are generally quite happy to say that we have good grounds for supposing that what we believe is true. Only when things start going badly for us does it suddenly occur to us to ask, “Yes, but what is truth?!”

This is not, strictly speaking, a version of Going Nuclear, as it’s not actually claimed that all beliefs are equally reasonable or equally true. However, it’s related to the relativist version of Going Nuclear, in that it involves the selective use of a philosophical puzzle in order to generate enough confusion to make quick your escape.

13 comments:

jules said...

I find some of the comments left in response to the interviews/reviews fascinating and depressing in equal measure. For example, here's one from the New Scientist interview:

Furthermore, it is stated that "there probably are questions that science cannot answer." This is utterly ignorant of the fact that we, the scientists, keep changing models that we use to represent reality. The Earth was flat, then it was round. It was in the center of the universe, surrounded with crystal spheres moving planets around it - now it is orbiting around the Sun. We were curing people by bloodletting, now we cure them by feeding them purified chemical compounds.

This makes it sound as though the replacement models where substituted arbitrarily, and not as the result of an increase in knowledge (no ships fell off the edge of the earth, so perhaps it wasn't flat after all?).

And this reviewer asserted that "Only a non-scientist can show this level of misunderstanding of how science works in real life."

Stephen Law said...

Yes, I note that comment comes from "Bod" who sounds surprisingly like one Dr Liz Miller (of the Mind, Body, Spirit, Centre") who wrote this on the basis of reading that NS review:

http://www.amazon.co.uk/product-reviews/1616144114/ref=cm_cr_dp_synop?ie=UTF8&showViewpoints=0&sortBy=bySubmissionDateDescending#RJK42JR5PJE5J

Mind, Body, Spirit page:

http://mindbodyspiritcentre.org/dr-liz-miller/

Stephen Law said...

Sorry not "bod" but "Dogma".

Stephen Law said...

Er, no I meant Bod and am referring to a different contributor, sorry!

The Atheist Missionary said...

For anyone interested in a textbook example of the "going nuclear" strategy, listen to the September 3, 2011 episode of Christian apologist Frank Turek's Cross Examined podcast (free on iTunes). To save yourself time, this happens near the end of the show as Turek is in the process of getting owned by an atheist caller.

The strategy is also employed expertly by Christian philosopher Matt Flannagan on the M & M blog.

Stephen Law said...

do you mean 3rd sept? I can only see 1st sept...

The Atheist Missionary said...

Yes, sorry about that. It's the September 1st episode entitled "Atheist Evangelists". The last caller (David) is well worth the listen and lasts about 10 minutes. However, if you are pressed for time, start listening at 49:17 and get ready for the nuclear move which begins at 51:09.

Turek has debated Hitchens (a couple times, I believe) and I commend subscribing to his weekly show. It's a real hoot.

jules said...

Ah yes, Liz Miller. She has a large string of letters after her name; just goes to show it doesn't necessarily mean you can't get sucked into a black hole.
http://en.wikipedia.org/wiki/Liz_Miller

Ozymandias said...

The proposition that reason cannot be justified, or that a subjective form of epistemology is true, is itself a belief that requires rational justification. Or am i wrong?

Eamon (Paraconsistent) said...

Stephen,

Re: ' So, if Mike finds himself argued into a corner, why shouldn’t he employ such a skeptical argument?'

The pragmatic reasons you identify aside, Mike should not employ such a skeptical argument because he cannot consistently hold the conclusion of the argument. If he warrants the conclusion of the argument, i.e. that beliefs based on reason are unjustified, then he warrants the inferences and (explicit and implicit) rules of evidence employed in the argument as justifying the conclusion (i.e. he justifies his conclusion via reason). But if he warrants the conclusion, then he cannot warrant the conclusion, because the conclusion would not be justified. Thus, he asserts that the conclusion is justified and not justified.

Cheapest Diablo 3 gold said...

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Noctambulant Joycean said...

Someone linked me to this post. Love it!

Anonymous said...

A perfect analogy Steven. Interestingly you did miss a fairly obvious layer to nuclear war, and that is that it doesn't destroy everything, only the opponent, unless the situation is MAD (Mutually Assured Destruction). Analogously the person losing the argument doesn't nuke everything, he only nukes his opponent because he, as you say, is being leveled also. You attribute the loser's being leveled not to nukes, however, but to the superior argument of the self-identified "rational" person. However isn't claiming some monopoly on reason (and therefore truth, implicitly) a form of extremism? A form of "going nuclear" that might provoke a proverbial "arms race" and inspire the very nuclear response you're analyzing? It could be, Steven, that your arguments end in nuclear war because they begin with an arms race, a desire to destroy your opponent and not win him.

Consider that if you're identifying yourself especially rational and true, and treating your logical framework as far more conclusive than it actually is, and not attempting to explain your frame-of-reference or understand another one but rather present yours as essential and true to reality; then might such extremism more call reality into question in the eyes of your opponent rather than enhance the importance of your view? Thus invariably leading them to question the importance of any perception altogether in response to these absolutes? Ka-boom.

Going nuclear wins the day if it isn't mutual.