In his latest "Special Comment" rant, MSNBC's Keith Olbermann used his Countdown show to target Republican presidential candidate Rudy Giuliani for a speech the former mayor gave at a Lincoln Day Dinner in which Giuliani contended that America would be "playing defense" in the war on terrorism under a Democratic president, with Olbermann labeling Giuliani's comments as "terrorism," and accusing the former mayor of "threatening the American people with 'casualties' if they ... elect a Democrat president. The Countdown host further accused Giuliani of "doing Osama bin Laden's work for him." Olbermann: "Claim a difference between the parties on the voters'...