Terry Gross

Lead prosecutor in the O.J. Simpson criminal trial, Marcia Clark. She has since stepped down as Prosecutor in the Office of the Los Angeles District Attorney. She has a new memoir about the trial and her experiences: "Without a Doubt" (Viking).

For five years, Tabor played the part of Hank Kingsley, talk-show sidekick on the HBO comedy series, "The Larry Sanders Show." He's had many character roles on television and film. He made his film debut with a critically-acclaimed performance as Al Pacino's deranged law partner in the 1979 film "And Justice For All." He's currently starring in the TV movie "Weapons of Mass Distraction" written by Larry Gelbart. It premieres May 17.

Hughes has been Time magazine's art critic for more than 25 years. He is the author of a number of books and the recipient of a number of awards, most recently one from the American Academy of Arts and Letters. His latest book is "American Visions: The Epic History of Art in America" (Knopf). There's also a companion 8-part PBS series which he hosts, beginning May 28.