That was the era when we might have destroyed Russia completely and not even skinned our elbows doing it.
If you kill enough of them, they stop fighting.
I think there are many times when it would be most efficient to use nuclear weapons. However, the public opinion in this country and throughout the world throw up their hands in horror when you mention nuclear weapons, just because of the propaganda that's been fed to them.
My solution to the problem would be to tell the North Vietnamese Communists frankly that they've got to drawn in their horns and stop their aggression or we're going to bomb them into the stone age.
Every soldier thinks something of the moral aspects of what he is doing. But all war is immoral and if you let that bother you, you're not a good soldier.