We're up against the conventional thinking that says your ability to lead as president comes from longevity in Washington or proximity to the White House. But we know that real leadership is about candor and judgment and the ability to rally Americans from all walks of life around a common purpose, a higher purpose.

As we look forward to the New Year, let's resolve to recommit ourselves to the values we share.

I don`t think the Donald Trump`s qualified to be president of the United States, and every time he speaks, that opinion is confirmed.

People of Berlin - people of the world - this is our moment. This is our time.

You know, sometimes I'll go to an 8th-grade graduation and there's all that pomp and circumstance and gowns and flowers. And I think to myself, it's just 8th grade ... An 8th-grade education doesn't cut it today. Let's give them a handshake and tell them to get their butts back in the library!

I don`t know if Donald Trump`s ever been to an actual polling place, but, you know, he doesn`t even worry if what he says is true. This is just about him worried that he`s losing.

In the course of a healthy debate, we prioritize different goals, and the different means of reaching them. But without some common baseline of facts, without a willingness to admit new information and concede that your opponent might be making a fair point, and that science and reason matter - then we're going to keep talking past each other, and we'll make common ground and compromise impossible.