When a company is able to establish a dominant market position, consumers lose meaningful choices. You might not like that Facebook shares your political opinions with Politico, but are you really going to delete all the photos, all the posts, all the connections - the presence you’ve spent years establishing on the world’s dominant social network?

I believe in not attacking a country pre-emptively unless you're sure of what you're doing and you're working with allies.

Asking the question whether the mainstream media has a liberal or conservative bias is like asking whether al Qaeda uses too much oil in their hummus. I might think they use a little bit too much oil; some people might think it's a little dry. But the problem with al Qaeda is they want to kill us. And the problem with the mainstream media is that it has these other biases that are much more important.

We need to be pro-science; we have to go back to science.

Liberals like me love America. We just love America in a different way.

As a source of innovation, an engine of our economy, and a forum for our political discourse, the Internet can only work if it's a truly level playing field. Small businesses should have the same ability to reach customers as powerful corporations. A blogger should have the same ability to find an audience as a media conglomerate.

Putin has had many positive experiences working with Western political leaders whose business interests made them more disposed to deal with Russia.