Did the 9/11 Commission really issue the definitive report on the September 2001 terror attacks?

http://www.npr.org/templates/story/story.php?storyId=18660248

Investigating the Investigation

Fresh Air from WHYY, February 4, 2008 · Missed evidence, ignored clues, political considerations—did the 9/11 Commission really issue the definitive report on the September 2001 terror attacks?

In his new book, The Commission: The Uncensored History of the 9/11 Investigation, New York Times investigative journalist Philip Shenon scrutinizes those charged with analyzing the terror attacks and uncovers new information about the commission's relationship with the Bush White House

1st Chapter: Available at NPR Link Above