When any kind of military action is popular it's because either there's been a very clear, direct threat to us - 9/11 - or an administration uses various hooks to suggest that American interests were directly threatened - like in Panama or Grenada. And sometimes, those hooks are more persuasive than others, but typically, they're not put before Congress.

What is true is [Bashar] Assad got rid of his chemical weapons.

Yes, we can. Yes, we can change. Yes, we can.

Americans coming home, an Iran that has rolled back its nuclear program and accepted unprecedented monitoring of the program -these things are a reminder of what we can achieve when we lead with strength and with wisdom, with courage and resolve and patience. America can do and has done big things when we work together.

We can’t afford to be so worried about losing the next election that we lose the battles we owe to the next generation. The real gamble in this election is playing the same Washington game with the same Washington players and expecting a different result. And that’s a risk we can’t take.

When we were working on immigration reform and there was a young Latino man, young immigration activist here who, in the Roosevelt Room, refused to shake my hand.He made a point of saying, "I can't shake your hand; you're deporting too many people." And I just said to him, "Young man, I'm glad that you feel so passionately about this issue, but you're with the president right now in the White House. You've got to think about what's going to be most effective in getting what you need, what you're trying to accomplish. Because this may not be your best strategy."

I was a constitutional law professor, which means unlike the current president I actually respect the Constitution.