And then you've got President Clinton who made the case as only he can. After he spoke, somebody sent out a tweet- they said, you should appoint him secretary of explaining stuff. I like that- secretary of explaining stuff. Although, I have to admit, it didn't really say stuff. I cleaned that up a little bit.

As long as countries like China keep going all in on clean energy, so must we.

My question would be whether there is active persecution of atheists.

The time to fix our broken immigration system is now... We need stronger enforcement on the border and at the workplace... But for reform to work, we also must respond to what pulls people to America... Where we can reunite families, we should. Where we can bring in more foreign-born workers with the skills our economy needs, we should.

I was pretty realistic to people about what we could get done, and the situation we were in, and trying to tamp down expectations. If you listen to my stump speeches, if you listen to what I said at Grant Park, I kept on saying, "Look, this is not just about me, this is not going to happen in one year, or one term, or even one presidency." And we tried to layer into everything we were saying a sense of hope, but also realism.

I will set big goals for this country as president - some so large that the technology to reach them does not yet exist.""I will recruit new teachers and make new investments in rural schools, we'll connect all of America to 21st century technology and telecommunications.

One of the things I think I can bring to the presidency is to make government and public service cool again.