On Tuesday's Hardball, MSNBC host Chris Matthews voiced agreement with New York Times columnist Orlando Patterson, a Harvard sociology professor, as he read a passage from Patterson's latest column during which the Harvard professor declared that, in watching Hillary Clinton's recent campaign ad questioning Barack Obama's qualifications for handling a 3:00 a.m. emergency, he "couldn't help but think of D.W. Griffith's Birth of a Nation, the racist movie epic that helped revive the Klu Klux Klan with its portrayal of black men lurking in the bushes around white society." Declaring that the ad reminded him more of "a 911 call...