Republican presidential candidate Donald Trump holds up a Bible that was given to him by his mother as he speaks during the Values Voter Summit in Washington, D.C., on Sept. 25, 2015.
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Hillary Clinton attends church with daughter Chelsea Clinton at the Greater Mount Carmel Missionary Baptist Church in St. Louis, Missouri while on the campaign trail in 2008.
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Donald Trump delivers the convocation at Liberty University on Jan. 18. The flamboyant, thrice-married mogul has never been an easy fit with the religious right.
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