One of the popular signs spotted at Tea Party protests across the country over the past year goes like this: "It doesn't matter what this sign says. You'll call it racism, anyway!" It's a pithy, perfect rejoinder to the fusillade of attacks that limited-government activists have weathered from their Democratic detractors and a hostile national media. Committed Alinsky-ites never let reality get in the way of a good Tea Party-bashing narrative. The radical acolytes of Chicago's late left-wing organizer Saul Alinsky also understand the importance of manufacturing demons. "Before men can act," Alinsky preached, "an issue must be polarized. Men...