An entrepreneur must deal with more uncertainty than a professional with a well-defined role.

When I was starting out, I followed along the path that seemed to be marked out for me - from high school to college to law school to professional life.

People don't want to believe that technology is broken. Pharmaceuticals, robotics, artificial intelligence, nanotechnology - all these areas where the progress has been a lot more limited than people think. And the question is why.

Credentials are critical if you want to do something professional. If you want to become a doctor or lawyer or teacher or professor, there is a credentialing process. But there are a lot of other things where it's not clear they're that important.

The term 'the American Left' is as near to being meaningless or nonsensical as any term could really be in politics. It isn't really a force in politics anymore. And it would do well to ask itself why that is.

I have no interest in owning a football club; I don't play golf; I don't like horseracing and I'd rather become a professional bungee jumper than enter politics.

There's a big gap between public opinion polls and the vote in Washington, in Congress.

No single solution or actor can deal with the complex and interrelated challenges to electoral integrity arising from manipulated data, hate speech, and fake news. These phenomena are not new; they have been part of electoral cycles since the advent of democracy.