I believe that the U.S. can and should be a global leader in the development of alternative energy sources.

We have to be successful at the cutting-edge industries of the future like Twitter. But we also have always been a country that makes stuff.

What I'm thinking about are the millions of people, many of whom write me very personal letters :"Dear Mr. President: I did not vote for you. I was against Obamacare. And then my son who didn't have health insurance signed up and we just found out that he had an illness. And thankfully he's now covered, otherwise he might not have gotten treatment and I might have lost my house."

All I care about is making sure that I leave behind an America that is stronger, more prosperous, more stable, more secure than it was when I came into office and that's going to continue to drive me.

This is about respect for women, the judgments that women make and their doctors about their reproductive health. It's an important part of who women are, their reproductive health.

You're not going to be able to make good decisions without building some relationship of trust between yourself and community.

Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.