Terry Gross

Director of the Brookings Institution Center for Public Management, John Dilulio, Jr. He's also a professor at Princeton University and member of the Council on Crime in America. He's just co-authored a new book called Body Count, in which he and others warn that though violent crime by juveniles may be down now, the worse is yet to come. They blame violent crime not on economic poverty, guns, or the use of lack of prisons.

The novelist has been described by Kirkus Reviews as "The British master of social satire." He's written nine novels, short stories, and written for radio, television, and the stage. His newest novel is "Footsucker," whose narrator is a serious man with a full life and a foot fetish.

O'Brien took over David Letterman's spot in 1993, and his "Late Night with Conan O'Brien" has just celebrated it's third birthday. Previous to that, he was a writer for Saturday Night Live and The Simpsons.