Rubbing The Sore

David Von Drehle: On Sept. 12, a large crowd gathered in Washington to protest … what? The goals of Congress and the Obama Administration, mainly — the cost, the scale, the perceived leftist intent. The crowd's agenda was wide-ranging, so it's hard to be more specific. "End the Fed," a sign read. A schoolboy's placard denounced "Obama's Nazi Youth Militia." Another poster declared, "We the People for Capitalism Not Socialism." If you get your information from liberal sources, the crowd numbered about 70,000, many of them greedy racists. If you get your information from conservative sources, the crowd was hundreds of thousands strong, perhaps as many as a million, and the tenor was peaceful…