Most have not lived through the old cold war with the USSR which had a constant threat of nuclear annihilation. It was a time in history where fallout shelters were all the rage.

I feel Pres Trump's strategy to work with Russia makes far more sense than to have as an enemy the one country on earth which has about as many nukes as the US does. Let's see how his strategy works out. 

Scott Adams - Trump Using His Success to Divert Attention From His Smart Moves

https://youtu.be/v1WolZt4KRY