I mean, we're going to probably debate the Iraq war for at least as long as I'm alive.

Islamic State is mainly a direct result of the failure in Syria. That's where IS has grown. That's where IS spread from.

I wish there were somebody I could be comfortable voting for. I might have to vote for Hillary Clinton, even though I have big reservations about her.

I think, in the longer view of things, there is a very powerful pull in the direction of participatory government.

For the private sector to flourish, special privilege must give way to equal opportunity and equal risk for all.

We are already seeing a degree of instability in the world because Obama seems to have consciously wanted to step back. Donald Trump is going to be "Obama squared," a more extreme version of the same thing.

The truth is that for reasons that have a lot to do with the U.S. government bureaucracy, we settled on the one issue that everyone could agree on, which was weapons of mass destruction, as the core reason.