You can choose a future where more Americans have the chance to gain the skills they need to compete, no matter how old they are or how much money they have. Education was the gateway to opportunity for me. It was the gateway for Michelle. And now more than ever, it is the gateway to a middle-class life.

Everybody knows politics is a contact sport.

What makes [cyber security] difficult is because it's not just a government problem. It is a private sector and government problem. And there's gotta be a lot more cooperation.

Part of the reason that our politics seems so tough right now and facts and science and argument does not seem to be winning the day all the time is because we're hardwired not to always think clearly when we're scared. And the country's scared.

I think I have a pretty good take on popular culture that maybe makes up for the fact that I'm not a sound-bite politician for the nightly news.

If we can’t puncture some of the mythology around austerity, politics or tax cuts or the mythology that’s been built up around the Reagan revolution, where somehow people genuinely think that he slashed government and slashed the deficit and that the recovery was because of all these massive tax cuts, as opposed to a shift in interest-rate policy - if we can’t describe that effectively, then we’re doomed to keep on making more and more mistakes.

I agree with the basic principle that anybody who wants to serve in our armed forces and make sacrifices on our behalf, on behalf of our national security, anybody should be able to serve. And they shouldn't have to lie about who they are in order to serve.