Also, I need deadlines, just like everybody else, especially coming from magazines, newspapers, and stuff like that. I need daily or weekly deadlines to get stuff done, or I continue to do things and not go off on a year of unproductivity.

And what we were trying to offer every day was one-on-one attention. The goal was to have a one-to-one ratio with every one of these students.

But Saudi Arabia is surprising in a lot of ways. Like any place, or any people, it relentlessly defies easy categorization.

The idea of 'Voice of Witness' is to let survivors and witnesses of human-rights abuses tell their story at length. It started with a course that I co-taught at U.C. Berkeley journalism school back in 2003.

Science without respect for human life is degrading to us all and reflects a hollow and deceptive philosophy, a philosophy that we as a people should never condone.

A universe with a God would look quite different from a universe without one. A physics, a biology where there is a God is bound to look different. So the most basic claims of religion are scientific. Religion is a scientific theory.

I'm really spectacularly thick in all areas of my life except comedy and science. I'm crap at everything else.

It's very clear to users, more clear than in other apps, that Foursquare is an app for search and discovery, and we're very good at delivering you a social map that will show you friends' faces on the map and things that you might like.