[Donald Trump] ran an extraordinarily unconventional campaign and it resulted in the biggest political upset in perhaps modern political history. American history.

If you think that running your economy into the ground and having to send troops in in order to prop up your only ally is leadership, then we've got a different definition of leadership.

My particular worries on any given day - how I'm doing in the polls or what somebody is saying about me... for good or for ill - isn't particularly relevant. What is relevant is: What am I building that lasts?

We're not going to put the cart before the horse and just think by sending more troops, we're automatically going to make Americans safe.

In the unlikely story that is America, there has never been anything false about hope.

What the Paris agreement now does is say to China and India and other countries that are potentially polluting, come on board. Let's work together so you guys do the same thing.

The more we are using clean energy, renewable energy sources, the less environmentally problematic facilities end up being a problem for everybody, but particularly for folks who have to suffer the consequences of some of these facilities.