Terry Gross

Clark Johnson has worked as a director on several of TV's most memorable cop shows, including The Shield, Homicide: Life on the Street and the pilot episode of the critically acclaimed HBO series The Wire. This season, he's appearing on camera as well, as The Wire's City Editor Gus Haynes.

Editor and cofounder of the conservative Washington-based political magazine, The Weekly Standard, and an opinion columnist for The New York Times, William Kristol is a neoconservative voice on the Iraq war; he was among those who advocated for the U.S. to remove Saddam Hussein from power before Sept. 11, 2001.

Carl Conetta co-directs the Project on Defense Alternatives, a defense-policy think tank. Earlier, he was a research fellow at the Institute for Defense and Disarmament Studies; he served for three years as editor of their journal, Defense and Disarmament Alternatives, and of the Arms Control Reporter.