Terry Gross

In his 30-year career, musician Fred Hersch has performed in solo, duo, trio and quintet settings. In 2003 he received the prestigious Guggenheim Memorial Fellowship, which he used to work on his latest project, Leaves of Grass. For it, Hersch leads a 10-piece ensemble, which includes vocalists singing the words of Walt Whitman set to compositions by Hersch. He is touring the ensemble this month.

In April, New York Times reporter Dexter Filkins will receive the George Polk Award for War Reporting for "his riveting, first-hand account of an eight-day attack on Iraqi insurgents in Fallujah." We talk with him about the rebuilding country and its recent elections.

Former White House Press Secretary Ari Fleischer gave daily briefings to the press from 2001 to 2003. He acted as the Bush administration's primary spokesperson during both 9/11 and the beginning of the Iraq War.

The RZA is one of the founding members of the kung-fu-meets-hip-hop group the Wu Tang Clan. He has also written film scores, including 'Kill Bill' and 'Ghost Dog'. Now he has turned his efforts to a new book, 'The Wu Tang Manual'.

In their new book, Lightning Out of Lebanon: Hezbollah Terrorists on American Soil they warn of the presence of Hezbollah militants in the United States. Diaz and Newman say the cells could potentially be more dangerous than al Qaeda.

Edward Berkowitz is a professor of history and public administration and at George Washington University, where he also directs the Program in History and Public Policy. He is an expert on the history of Social Security.

Bill "Spaceman" Lee's new memoir is Have Glove, Will Travel: The Adventures of a Baseball Vagabond. The book picks up where Lee's previous memoir, The Wrong Stuff, left off in 1984.

Actor Bruno Ganz and director Oliver Hirschbiegel's new film is Downfall, about the last days of Hitler. Ganz stars as Adolf Hitler. He's made over 80 films mostly in German, and was in the recent remake of The Manchurian Candidate. Downfall is Hirschbiegel's third film, and his most popular to date.

Journalists Judith Miller and Matt Cooper discuss their court case, in which they face jail time for refusing to reveal their sources in an investigation into the leak of a CIA officer's name. Despite attorney Floyd Abrams's efforts, on Feb. 15, 2005, a federal appeals court upheld a ruling against the two.

Steve Chapman, whose twice-weekly column for The Chicago Tribune is syndicated to about 50 newspapers, says reporters should give details on their sources to investigators in the case of the leak of a CIA officer's name. In Chapman's Feb. 20, 2005, column on the Miller and Cooper case, he sides with the court, stating, "in this case, principle should yield to the need to protect agents who are serving their country."