You want to be commander-in-chief? You can start by standing up for the men and women who wear the uniform of the United States, even when it's not politically convenient.

I know what the counterterrorism feels like because I was there. But I also operated within limits. And within the United States government, we've decided long ago that there are limits on what we're going to do in the war against terrorism.

I refuse to give in to the notion that the American people can't handle complicated information.

That is our generation’s task - to make these words, these rights, these values of life and liberty and the pursuit of happiness real for every American.

Donald Trump is like Hillary Clinton said, a man you can bait with a tweet is not a man you can trust with nuclear weapons. You can`t do it.

Africa doesn't need strongmen, it needs strong institutions.

Citizenship means standing up for the lives that gun violence steals from us each day. I have seen the courage of parents, students, pastors, and police officers all over this country who say 'we are not afraid,' and I intend to keep trying, with or without Congress, to help stop more tragedies from visiting innocent Americans in our movie theaters, shopping malls, or schools like Sandy Hook.