"In 2002, the most important federal commission in decades was established to examine the events surrounding the worst attack on American soil since Pearl Harbor. In 2004, the 9/11 Commission issued its unanimous report to broad acclaim." "Now, in this groundbreaking investigation of the 9/11 investigators, veteran New York Times journalist Philip Shenon reveals stunning shortcomings in the Commission's work - a series of oversights, omissions, and distortions that raise fundamental questions about 9/11 and the government's failure to prevent it." "From the Commission's inception, Shenon covered its workings on a daily basis, developing sources at all levels of the investigation. For this book, he returned to those sources to write the definitive account of how the Commission operated, who influenced its findings, how political considerations interfered, and what didn't make it into the final report." "The Commission is an eye-opening account of how Washington really works: the manipulations of politicians, the secrets of intelligence officers, the battles over information, the pursuit of truth."--BOOK JACKET.