In pursuit of truth

9/11 Commission Chairman Thomas Kean (L) and Vice
WASHINGTON - AUGUST 13: 9/11 Commission Chairman Thomas Kean (L) and Vice Chairman Lee Hamilton (R) are interviewed during a taping of "Meet the Press" at the NBC studios August 13, 2006 in Washington, DC. Kean and Hamilton discussed their new book, "Without Precedent: The Inside Story of the 9/11 Commission," and the recent arrests of two dozen people in Britain accused of planning to blow up flights from the Untied Kingdom to the United States.
Photo by Chip Somodevilla/Getty Images for Meet the Press