A lot of people are asking if he will and whether he should directly attack Clinton. Of course he should attack Clinton, and, if he's smart, he'll focus on her endorsement of the Kyl-Lieberman amendment and her shilly-shallying over torture. But what he should really be doing is attacking Giuliani. The major worry many Democrats have is that Obama cannot stand up to Rudy-style "all-my-opponents-are-terrorists" politics. Give Rudy hell, tonight, Obama. That's what you really have to prove.

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