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UNITED STATES - AUGUST 11:  Former Minnesota Governor Tim Pawlenty and his wife Mary, arrive to Stephens Auditorium at Iowa State University for the Republican presidential debate in Ames, Iowa.  The debate will feature eight republican candidates including Gingrich.   (Photo By Tom Williams/Roll Call)

UNITED STATES - AUGUST 11: Former Minnesota Governor Tim Pawlenty and his wife Mary, arrive to Stephens Auditorium at Iowa State University for the Republican presidential debate in Ames, Iowa. The debate will feature eight republican candidates including Gingrich. (Photo By Tom Williams/Roll Call)

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