Some heinous crimes justify the ultimate punishment.

Of course, violence will not end with our combat mission. Extremists will continue to set off bombs, attack Iraqi civilians and try to spark sectarian strife. But ultimately, these terrorists will fail to achieve their goals.

We must act, knowing that our work will be imperfect.

I still don't feel responsible for what Donald Trump says or does. But I do feel a responsibility as president of the United States to make sure that I facilitate a good transition and I present to him as well, as the American people my best thinking, my best ideas about how you move the country forward. To speak out with respect to areas where I think the Republican party's wrong, but to pledge to work with them on those things that I think will advance the causes of security and prosperity and justice and inclusiveness in America.

More than a building that houses books and data, the library represents a window to a larger world, the place where we've always come to discover big ideas and profound concepts that help move the American story forward and the human story forward.

I don't know the facts of when Joe Soptic's wife got sick or when she died.

In the Muslim world, this notion that somehow everything is the fault of the Israelis lacks balance - because there's two sides to every question. That doesn't mean that sometimes one side has done something wrong and should not be condemned. But it does mean there's always two sides to an issue. I say the same thing to my Jewish friends, which is you have to see the perspective of the Palestinians. Learning to stand in somebody else's shoes to see through their eyes, that's how peace begins. And it's up to you to make that happen.