Of course, Giuliani's had a rough week or two; even if he's still the front-runner, he's hardly a sure thing for the nomination. He raised an impressive $10 million in March alone, but keep in mind that his high standing in the polls has a lot to do with the relative weakness of the current field, which could change. That said, I suspect the "Rudy can't win" mantra is being driven as much by Democratic fear and loathing - of both conservatives and Giuliani himself - as by Republican politics and performance. As Deborah Hart Stroberand Gerald Strober's "Flawed or...