Left-leaning bloggers have had a tremendous impact on the Democratic Party.

Facebook's headquarters is a two-story building at the end of a quiet, tree-lined street. Zuckerberg nicknamed it the Bunker. Facebook has grown so fast that this is the company's fifth home in six years - the third in Palo Alto. There is virtually no indication outside of the Bunker's tenant.

It's not my job to worry about how Left, Right will react to something. My job is, am I creating something that connects people? That's my job.

Culture is about humanizing people. You look at the African-American civil rights movement, you look at the LGBT rights movement - the culture changed before the politics did.

If you persist in your purpose of secession, there will be war - a bloody and cruel war. Not only will the North fight, but she will also triumph. The experiment of secession will fail, and the South, in ruin and desolation, will bitterly repent the day when she attempted to overthrow a wise and beneficent government.

You have a very large population of hackers in Eastern Europe in general and Russia especially. A lot of them consider themselves patriotic individuals and will take broad direction from government policies.

I was looking for something like baseball, where there's a lot of data and the competition was pretty low. That's when I discovered politics.

The United States will continue to be number one, and I do not see any country or group of countries taking the United States' place in providing global public goods that underpin security and prosperity. The United States functions as the world's de facto government.