Uncle Sam and The Car Keys.
We've all got one. A relative that just can't be allowed the autonomy that they once used to, good ol' Uncle Sam, but we *have* to take the car keys before he hurts someone or everyone. Well, we're there with the USA, but there's a catch with this crazy old fella. Figuring out the catch is hard, but we have some priors. For (say) 60 years we've had five (or six or eight) nuclear powers. Let's say five, five world enders for sixty years, but the world is still here. So, our maximum expectation of the end of the world in that time with the powers we had is 1, given the behaviour of cumulative processes we can say that the cumulative probability must have been below 0.61 to give us that result, and that means that essentially in any given week during that time the average probability that any particular power would kick off the war of a thousand suns has been less than six in one hundred thousand. Let's all hope that it's really alot, ALOT, less th...