In CNN debate, Obama and Clinton let it all fly -- invocation by Him of her days as a corporate lawyer on the board of Wal-Mart, invocation by Her of Obama's ties to the indicted contributor Rezko.
Obama also took on the Bill Clinton fight directly -- with an extended discussion of the Reagan flap.
Lots of other battles on policy, votes, and quotes -- with Edwards often a bystander or, sometimes, siding with one or the other of his rivals.
Watch video of some of the most personal attacks -- in a night filled with personal attacks -- above.
Mark Halperin's Grades:
Obama A-
Clinton B+
Edwards B+
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