Both cities are doomed, he explains.
"Here's my little message to the deep thinkers: in this life, there is no final victory. Enemies abound. We defeated the two monster totalitarian forces of the 20th century, and we're now under attack from the great jihadi totalitarians of the new century. We can certainly win," he says. "In the course of that fight we will make lots of mistakes, and we will have some very bad leaders. If we're up to it, and if we're lucky, we'll also get some great leaders."