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.
“There are certain things that Americans expect their government to do. Our infrastructure is vitally important. Putting people back to work with construction is important. Our roads, our bridges, our sewers, our waterways, our dams - this is what makes our country so special.”