“As Judge Vinson took pains to emphasize, the case is not really about health care at all, or the wisdom—we would argue the destructiveness—of the newest entitlement. Rather, the Florida case goes to the core of the architecture of the American system, and whether there are any remaining limits on federal control. Judge Vinson’s 78-page ruling in favor of 26 states and the National Federation of Independent Business, among others, is by far the best legal vindication to date of Constitutional principles that form the outer boundaries of federal power.”