Without a deal [with Iran], the international sanctions regime will unravel with little ability to reimpose them. With this deal, we have the possibility of peacefully resolving a major threat to regional and international security. Without a deal, we risk even more war in the Middle East and other countries in the region would feel compelled to pursue their own nuclear programs, threatening a nuclear arms race in the most volatile region in the world.

Young people recognize the big challenges that are coming up.

We've come to be consumed by a 24-hour, slash-and-burn, negative ad, bickering, small-minded politics that doesn't move us forward.

Because of you, in Afghanistan we've broken the momentum of the Taliban. Because of you, we've begun a transition to the Afghans that will allow us to bring our troops home from there. And around the globe, as we draw down in Iraq, we have gone after al Qaeda so that terrorists who threaten America will have no safe haven, and Osama bin Laden will never again walk the face of this Earth.

It is time to do away with work place policies that belong in a Mad Men episode.

To this day, the United States is profoundly grateful for our friendship and alliance with Greece.

The biggest threat that we face right now is not a nuclear missile coming over the skies. It's in a suitcase. This is why the issue of nuclear proliferation is so important. It is the - the biggest threat to the United States is a terrorist getting their hands on nuclear weapons.