Barack Obama

"Avoided lofty rhetoric and focused on presenting himself as cool, deliberative, and substantive. Well prepared and focused."
Overall grade: B+

Substance:
"Drilled down with simple, calm authority on Clinton's proposed requirement that people buy health insurance."
Grade: B

Style:
"Surprisingly unsunny and subdued-- almost dour."
Grade: B

Offense:
"Delivered rehearsed opposition research on Clinton's 'votes and quotes' with astonishing smoothness."
Grade: A-

Defense:
"Was careful to deny Clinton the upper hand in each exchange - had a ready response for everything she threw his way."
Grade: A-