I REALIZED Mary Mapes had not told the whole story of the CBS-National Guard fiasco when I looked in the index to her book for a reference to The Boston Globe. It wasn't there. Why is this such a telltale omission? In an article published in February 2004, seven months before CBS News imploded, The Globe, under the headline "Doubts Raised on Bush Accuser," essentially destroyed the credibility of a man named Bill Burkett, a retired lieutenant colonel in the Texas National Guard. Burkett claimed to have stumbled upon some of George W. Bush's Guard records in a trash can...