What Reagan ushered in was a skepticism toward government solutions to every problem. I don't think that has changed

When people see opportunity, when they have a sense of control of their own destiny, then they're less vulnerable to the propaganda and twisted ideologies that have been attracting young people - particularly being turbocharged through social media.

I hope we can all agree that, instead of continuing to subsidize yesterday's energy sources. We need to invest in tomorrow's.

I think at a certain age I became conscious of the power of words. And it was fairly late. I was kind of a goofball - but I was always subconsciously thinking about issues.

One of the great things about being commander in chief is getting to know our men and women in uniform in a very intimate way, whether it's visiting Walter Reed and seeing our wounded soldiers, or being on a base and talking to families, or interacting with them on missions. They're the best of the best: always thinking about the mission, not thinking about credit, not thinking about who's up front.

In America, there's a failure to appreciate Europe's leading role in the world. Instead of celebrating your dynamic union and seeking to partner with you to meet common challenges, there have been times where America has shown arrogance and been dismissive, even derisive.

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.