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LEAD tapper cheney vs cheney same sex debate_00015805.jpg

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    Cheney sisters split over same-sex debate

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Cheney sisters split over same-sex debate

Dick Cheney's daughters, Mary and Liz are at odds over the same-sex marriage debate. CNN's Jake Tapper reports.

Cheney sisters split over same-sex debate

Dick Cheney's daughters, Mary and Liz are at odds over the same-sex marriage debate. CNN's Jake Tapper reports.