An internal CBS News investigation released today cleared veteran newsman Dan Rather of intentional wrongdoing, and blamed his use of a forged document in a 60 Minutes news story on an "integrity malfunction," similar to the wardrobe malfunction suffered by Janet Jackson on CBS. "The exhaustive, no-holds-barred probe found that Dan did not knowingly perpetrate the so-called 'memogate' hoax to drag down President Bush in the weeks leading up to the election," said Dick Thornburgh, the former U.S. Attorney General who helped lead the internal investigation. "The integrity malfunction was completely unintentional and Dan was as surprised as anyone to...