Sen. Jim DeMint (R-S.C.), a darling of the Tea Party crowd, credited that movement with blocking Democratic health care reform efforts and predicted the conservative activists behind the movement could ultimately thwart the passage of that bill and others.. "The only reason we don't have national health care right now is you - is the people outside of Washington," DeMint told a gathering of Tea Party activists gathered Wednesday night in Washington for the premiere of a documentary about the movement. "I think we do have a shot at stopping this thing," he said of the health care reform bill...