The genius of our founders is that they designed a system of government that can be changed. And we should take heart, because we’ve changed this country before.

The president does not have power under the Constitution to unilaterally authorize a military attack in a situation that does not involve stopping an actual or imminent threat to the nation. As commander in chief, the president does have a duty to protect and defend the United States. In instances of self-defense, the president would be within his constitutional authority to act before advising Congress or seeking its consent.

People'd be like, "Oh, spending taxpayer money." It's like, "No, no, I actually I'm paying for all of this. The only thing I don't pay for is Secret Service and an airplane."

In America, one of our challenges, historically, is that we have very low voting rates, even during presidential elections.

I believe, in the words of Dr. Martin Luther King Jr., that there is such a thing as being too late, and when it comes to climate change, that hour is almost upon us.

I try to explain to them about the aloha spirit. And it's that spirit that I am absolutely convinced is what America is looking for right now.

And, as a consequence of the pressure that we've applied over the last couple of weeks, we have Syria -- for the first time -- acknowledging that it has chemical weapons, agreeing to join the convention that prohibits the use of chemical weapons, and the Russians -- their primary sponsors -- saying that they will push Syria to get all of their chemical weapons out. The distance that we've traveled over these couple of weeks is remarkable.