Cindy Sheehan's son Casey died in Sadr City last year, and that fact is supposed to put her beyond reproach. For as The New York Times' Maureen Dowd informed us: "The moral authority of parents who bury children killed in Iraq is absolute." Really? Well, they're not children killed in Iraq; they're grown-ups who made their own decision to join the military. That seems to be difficult for the left to grasp. Ever since America's all-adult, all-volunteer army went into Iraq, the anti-war crowd has made a sustained effort to characterize them as "children." If a 13-year old wants to...