Don't let complexity stop you.

In order for the United States to do the right things for the long term, it appears to be helpful for us to have the prospect of humiliation. Sputnik helped us fund good science - really good science: the semiconductor came out of it.

[Warren Buffett ] met with all sorts of different groups about a lot of different things, but yes, he took the time, he listened and he wanted to understand about some of the different diseases and the strength of the American role in doing all these things.

Digital technology has several features that can make it much easier for teachers to pay special attention to all their students.

I'm a big believer that as much as possible, and there's obviously political limitations, freedom of migration is a good thing.

Contraception really shouldn't be all that controversial because it's a tool a woman can use to delay her first birth until she's, say, 18 or 19 years old.

If you are low income in the United States, you have a higher chance of going to jail than getting a 4-year degree.