I am a veteran, I fought in a war. I've been a prosecutor. I've sent people to jail for the rest of their life.

There is no bigger judgment for a president of the United States than how you take a nation to war.

Climate change is real. The science is compelling. And the longer we wait, the harder the problem will be to solve.

I personally didn't see personal atrocities in the sense I saw somebody cut a head off or something like that. However, I did take part in free-fire zones, I did take part in harassment and interdiction fire, I did take part in search-and-destroy missions.

Mitt Romney says he believes in America and that he will restore American exceptionalism. I have news for him, we already have an exceptional American as president and we believe in Barack Obama.

[Bashar] Assad has made a series of choices ever since then that is literally destroying his country.

I have a plan to protect the environment so that we leave this place in better shape to our children than we were handed it by our parents.