Public action should seek to expand the set of opportunities of those who have the least voice and fewest resources and capabilities.

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

I think all foreigners should stop interfering in the internal affairs of Iraq. Those who want to come and help are welcome. Those who come to interfere and destroy are not.

I think Obama sees everything through one lens. Doing nothing in the face of the slaughter in Syria is not only shameful, it is unrealistic. This approach leaves Syria as a broken country and a breeding ground for extremists for decades.

People seem to forget that Saddam was the only leader in the world who praised the attacks of 9/11 as a good thing.

I've met quite a few dictators up close and personal in my life.

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