Terry Gross

Trumpeter, composer, and arranger Gerald Wilson turned 88 years old Monday. He grew up in Mississippi, and got his start playing with Jimmy Lunceford's band in New York City. He later worked with Benny Carter's band and formed his own. As a composer-arranger, he worked for the Count Basie and Dizzy Gillespie bands. And he accompanied Billie Holiday on her tour of the South in 1949. He's arranged music for Ella Fitzgerald, Ray Charles, Sarah Vaughan, Bobby Darin, and Carmen McRae. His most recent CD was released last year, In My Time.

Foreign policy expert Joseph Cirincione is senior vice president for National Security and International Policy at the Center for American Progress, a liberal think tank. He s been called a nonproliferation guru. His soon-to-be-published book is called Bomb Scare: The History and Future of Nuclear Weapons.

Conservative thinker Michael Ledeen holds the Freedom Chair at the American Enterprise Institute, but prefers the term "democratic revolutionary" to "neoconservative." He discusses the current and future U.S. policy toward Iran, arguing that the United States should encourage change from within the country, rather than launching an all-out attack.