I think the Turks' willingness to take seriously action on the borders to stop the flow of foreign fighters joining ISIL is significant.

If you look at countries like South Africa, where you had a black majority, there have been efforts to tax and help that black majority, but it hasn't come in the form of a formal reparations program.

We made America more respected around the world, took on the mantle of leadership in the fight to protect this planet for our kids, and much, much more.

Three months is a lifetime in politics.

Robin Williams was an airman, a doctor, a genie, a nanny ... and everything in between. But he was one of a kind.

I became a lightning rod for some partisan battles. I could not be prouder of the track record we've put together. By almost every measure, the country is significantly better off than when I came in.

Part of the reason that our politics seems so tough right now and facts and science and argument does not seem to be winning the day all the time is because we're hardwired not to always think clearly when we're scared. And the country's scared.