There has been a good deal of comment — some of it quite outlandish — about what our postwar requirements might be in Iraq. Some of the higher end predictions we have been hearing recently, such as the notion that it will take several hundred thousand U.S. troops to provide stability in post- Iraq, are wildly off the mark. It is hard to conceive that it would take more forces to provide stability in post-Saddam Iraq than it would take to conduct the war itself and to secure the surrender of Saddam's security forces and his army — hard to imagine.

It's hard to conceive that it would take more forces to provide stability in post-Saddam Iraq than it would take to conduct the war itself and secure the surrender of Saddam's security forces and his army. Hard to imagine.

The only way you can be comfortable about Donald Trump's foreign policy, is to think he doesn't really mean anything he says.

Saddam Hussein had nerve gas and used it against his own people, he had used chemical weapons against the Iranians and he almost had a nuclear bomb in 1981 and in 1991. And he had been caught with anthrax in 1995 by the UN inspections after denying that he had it.

The Bernie Sanders phenomenon shows that it's not confined to Republicans. There is a general sentiment that America is on the wrong track.

One of the things that ultimately led me to leave mathematics and go into political science was thinking I could prevent nuclear war.

Jobs are a priority for every country. Doing more to improve regulation and help entrepreneurs is the key to creating jobs - and more growth.