The Warren Court wasn't that radical. It didn't break free from the essential constraints that were placed by the founding fathers in the Constitution... I intend to succeed where they failed.

I delivered a clear and forceful message that although we recognize Russia's intelligence gathering will sometimes take place even if we don't like it, there's a difference between that than either meddling with elections or going after private organizations or commercial entities, and that we're monitoring it carefully, and we will respond appropriately if and when we see this happening.

Before I even came into office, I said that preventing Iran from getting a nuclear weapon was a priority.

Young people: I understand this is important to you, but as you be thinking about climate change, the economy and jobs, war and peace, maybe way at the bottom you should be thinking about marijuana.

In this new, hyper competitive age, none of us, none of us can afford to be complacent.

America, our endless blessings bestow an enduring burden. But as Americans, we welcome our responsibility to lead.

I think part of the reason that I have been successful, though, despite maybe not always fitting my message into the pre-packaged formulas, is there is this whole other media ecology out there of the Internet and Instagram and memes and talk shows and comedy, and I'm pretty good at that.