Terry Gross

Emmy-award winning sportscaster Bob Costas. Since 1980 hes been afilliated with the NBC network covering Major League Baseball, the NFL, and the NBA. He was the prime-time host for the 1992 Summer Olympic Games, the 1996 Summer Olympics, and the 2000 Sydney Games. Hes won numerous Emmys including one for his now defunct late-night TV interview program Later with Bob Costas. He is currently anchor of MSNBCs InterNight. Costas is also the author of Fair Ball: A Fans Case for Baseball.

An expert on chemical/biological weapons proliferation and arms control, Dr. Jonathan Tucker. He is Director of the Chemical & Biological Weapons Nonproliferation Program at the Center for Nonproliferation Studies at the Monterey Institute of International Studies. Tucker is also author of the new book, Scourge: The Once and Future Threat of Smallpox

William Wechsler was Special Adviser to the Secretary of the Treasury from 1999 to 2001. He also served as Director for Transnational Threats on the U.S. National Security Council and as Special Assistant to the Chairman of the Joint Chiefs of Staff under President Clinton. Hel discuss what needs to be done to track the terrorist money trail.