Tory spies at the convention were handing out campaign buttons on Thursday night: one reads "Go for Bob -- Go for Broke" and another shows a graph, an arrow heading south and the line, "Bob Rae -- a New Direction for Canada." Another advises: "Who needs Ontario anyway? Vote Bob." This suggests: (a) the Conservatives would like Michael Ignatieff to win this thing; (b) they won't be heartbroken if he doesn't, because the plans to bury Bob are at an advanced stage. Every election campaign is heralded as the most unrelentingly negative ever. It might be true this time. A...