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Associated Press
FILE - In this April 25, 2015 file photo, former Pennsylvania Sen. Rick Santorum speaks at the Iowa Faith & Freedom 15th Annual Spring Kick Off, in Waukee, Iowa. Santorum, the former Pennsylvania senator who won the 2012 Iowa caucuses by a hair, is widely expected to enter the race for the 2016 Republican presidential nomination on Wednesday, May 27, 2015. (AP Photo/Nati Harnik, File)

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