I think it's extremely important that the president Donald Trump himself indicate that he too wants to discover the full truth behind what the Russians did to elections 2016.

These days, it takes only seconds - seconds - for a picture, a photo, to suddenly become an international headline.

I mean, the Taliban, my view is that they have been weakened.

Winning in Afghanistan is having a country that is stable enough to ensure that there is no safe haven for Al Qaida or for a militant Taliban that welcomes Al Qaida. That's really the measure of success for the United States.

If we don't do something to simplify the tax system, we're going to end up with a national police force of internal revenue agents.

Rising sea levels, severe draughts, the melting of the polar caps, the more frequent and devastating natural disasters all raise demand for humanitarian assistance and disaster relief.

Today, I think the attitude is that governing is not necessarily good politics, and the result is that it's much more partisan and much more divided.