The United States and the world need nothing more than for Mr. Obama to stop campaigning for the presidency and to start occupying it. Life is not an audition, and Mr. Obama's job is not, either – except perhaps an audition for history, which, as previous presidents have learned to their peril and immense disappointment, is a demanding, merciless judge. The aspiring lefty dictator in Honduras who was sent packing was the shot heard all over Central America. The shot fired in Massachucetts will be heard all over the world.