When what you’re doing doesn’t work for 50 years, it’s time to try something new.

I mentioned charter schools, and experimenting with our school system, to make it work. I think that's something we really have to pay attention to.

American politics is always somewhat fluid. In this age of social media, it means that voters can swing back and forth.

I'll change the posture of our federal government from being one of the most anti-science administrations in American history to one that embraces science and technology.

We have now just enshrined, as soon as I sign this bill, the core principle that everybody should have some basic security when it comes to their healthcare.

We're opposing Russia's aggression against Ukraine, which is a threat to the world, as we saw in the appalling shoot-down of MH17.

We need fathers to step up, to realize that their job does not end at conception; that what makes you a man is not the ability to have a child but the courage to raise one.