The biggest threat, when it comes to climate change and pollution, isn't going to come from us because we only have 300 million people. It's going to come from China with over 1 billion people and India with over 1 billion people.

I can be much more sarcastic and, I think, sometimes withering in my assessments of things than I allow to show in my public life.

Political gerrymandering makes the incentive for most members of Congress to play to the extremes of their base rather than to the center.

We need not throw away 200 years of American jurisprudence while we fight terrorism. We need not choose between our most deeply held values, and keeping this nation safe.

In order for us to solve many big problems around the world, it is in our interest to work with Russia and obtain their cooperation.

We stand with Israel as a Jewish democratic state because we know that Israel is born of firmly held values that we, as Americans, share: a culture committed to justice, a land that welcomes the weary, a people devoted to tikkun olam. ... So America's commitment ... and my commitment to Israel and Israel's security is unshakeable. It is unshakeable. ... I am proud to say that no U.S. administration has done more in support of Israel's security than ours. None. Don't let anybody else tell you otherwise. It is a fact.

In the fight against ISIL, we cannot rely on an Assad regime that terrorizes its people; a regime that will never regain the legitimacy it has lost. Instead, we must strengthen the opposition as the best counterweight to extremists like ISIL, while pursuing the political solution necessary to solve Syria's crisis once and for all.