Minnesota's ex-governor and Republican presidential hopeful Tim Pawlenty, shown in Washington in May 2011. Pawlenty said Wednesday, July 13, 2011, he won’t sign a pledge written by a conservative Iowa group that asks presidential candidates to denounce same-sex marriage rights, pornography and forms of Islamic law. He is the second major candidate to decline the pledge, following former Massachusetts Gov. Mitt Romney’s decision Tuesday. Two Republicans, Minnesota Rep. Michele Bachmann and former Pennsylvania Sen. Rick Santorum, have signed it. (AP Photo/Alex Brandon, File)
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