Comment on the use of nuclear weapons in warfare and express your thoughts on the sanity of a certain individual.
Everyone with an IQ above 70 understands that nuclear weapons cannot be used to fight wars. The inevitable outcome is mutually assured destruction, meaning no one can win. Everybody likely dies, and if anyone did survive, it wouldn't be a world worth living in. Every military analysis since the 60's has come to that conclusion. 
Either Trump is, as many suspect, totally insane, or he's....
Actually, there is no "or".  He's totally insane. There's no other possibility.