I still believe that any country understands that if they use nuclear weapons, they will be wiped out of existence. They could be irrational in many ways, but I don't think they're irrational to the point that they're ready to annihilate their own country.
“My poor vision gives me a soft-focus morning. For the first half hour, I kind of wander through my house, and everything is a blur. I put my contacts in when I'm ready to deal with the world.”