Only Tancredo lashes out at new Hawkeye State leader in last GOP debate before the caucuses.
Mark Halperin's Grades:
Mike Huckabee: A-
Fred Thompson: B+
John McCain: B
Rudy Giuliani: B
Mitt Romney: B
Tom Tancredo: B-
Ron Paul: C+
Duncan Hunter: D
Alan Keyes: F
Read Halperin's full debate report cards here.
Des Moines Register's David Yepsen: Thompson big winner, Huckabee and Romney did just fine.
Plus: Yepsen trashes his own paper's debate.
