There may be no clearer reflection of this moment in American religious life than the tensions surrounding prayers at President Barack Obama's inauguration.

Efforts by the Presidential Inaugural Committee to bridge the conservative-liberal divide by including an evangelical failed. Atlanta preacher Louie Giglio, known for his work to end human trafficking, withdrew from giving the benediction after the liberal group ThinkProgress found a sermon he gave in the 1990s, condemning gay relationships.

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