For all the twists and turns of the conflict in Iraq, it’s comforting to reflect that one thing hasn’t changed: The antiwar “movement” -- that motley aggregation of Hollywood glitterati, bullhorn radicals and leftist Democrats -- remains as irresponsible and unserious as ever. As evidence, consider this weekend’s much-hyped antiwar protest in the nation’s capital. Coming on the heels of last Wednesday’s nonbinding anti-surge resolution, a cynical stunt engineered by the Democrat-dominated Senate Foreign Relations Committee to oppose the 21,500 troop increase in Iraq, the protest was a transparent attempt by a political fringe to capitalize on popular discontent over...