Our intelligence communities spend a lot of time and effort gathering a lot of strands and a lot of data [on Russian hacking]. There are times where they're very cautious and they say, "We think this is what happened, but we're not certain."

I think a basic principle of our Constitution is nobody above the law

African American boys oftentimes fall behind in school early, start feeling discouraged, check out, drop out, end up on the streets and then get into trouble.

To those who cling to power through corruption and deceit and the silencing of dissent, know that you are on the wrong side of history; but that we will extend a hand if you are willing to unclench your fist.

What I want to try to do is unify the two wings of the Democratic Party. What's considered the more progressive wing of the Democratic Party - the more centrist wing of the party. I think we can craft an approach that is more American, pro-worker, pro-business, pro-growth.

I don't think [pot] is more dangerous than alcohol.

All of us take offense to anyone who reaps the rewards of living in America without taking on the responsibilities of living in America. And undocumented immigrants who desperately want to embrace those responsibilities see little option but to remain in the shadows, or risk their families being torn apart.