The Boston Globe guy may have said that Burkette wasn't a reliable source--BUT how do they explain this:
( Boston Globe Archives, 2004-09-10 )
THE GLOBE SPOTLIGHT TEAM HAS SCORED ANOTHER BULL'S-EYE WITH ITS REPORT ON GEORGE W. BUSH'S VIOLATION OF HIS CONTRACT WITH THE GOVERNMENT FOR SERVICE IN THE AIR NATIONAL GUARD, AND HIS STAFF'S SUBSEQUENT EGREGIOUS DENIAL AND MISREPRESENTATION OF THE FACTS (PAGE A1, SEPT. 8).
The Globe article was timed to coincide with CBS and USA Today. Mapes wouldn't have given her "scoop" to rival media so it had to be the Kerry campaign or DNC.