Over the past three decades, evangelicals have consistently embraced conservative values and Republican politicians. But in recent years, evangelicals have shifted toward progressive values and away from the GOP. Because they haven't necessarily landed with the Democratic Party, many of their votes are up for grabs. Guests: Randall Balmer, professor of American religious history at Barnard College, Columbia University, and author of "God in the White House: How Faith Shaped the Presidency from John F. Kennedy to George W. Bush," and Reverend Dr. James Herbert Cooper, rector of Trinity Church

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