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UNITED STATES - AUGUST 11:  Former Senator Rick Santorum, hugs a debate goers outside of Stephens Auditorium at Iowa State University before the Republican presidential debate in Ames, Iowa.  The debate will feature eight republican candidates including Santorum.   (Photo By Tom Williams/Roll Call)

UNITED STATES - AUGUST 11: Former Senator Rick Santorum, hugs a debate goers outside of Stephens Auditorium at Iowa State University before the Republican presidential debate in Ames, Iowa. The debate will feature eight republican candidates including Santorum. (Photo By Tom Williams/Roll Call)

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