Texas Sen. Ted Cruz speaks during the 2015 Iowa Faith & Freedom Coalition presidential forum. He's made religion a central tenet of his campaign for the Republican presidential nomination. Bloomberg/Bloomberg via Getty Images hide caption

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Brother William Valle of the Institute of the Incarnate Word in Chillum, Md., loads potatoes onto his cart at the Capitol Area Food Bank, in Washington, D.C. A new government initiative seeks to engage faith-based groups on food waste — for instance, by using their existing relationships with food banks to redirect excess food to the hungry. Sarah L. Voisin/The Washington Post via Getty Images hide caption

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Activists hold posters during a March 2005 rally in front of the U.S. Supreme Court to support separation of church and state. The court heard two cases regarding whether Ten Commandments monuments should be displayed on government properties. Alex Wong/Getty Images hide caption

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Unbelief As A Belief System: Core Tenet For Christians' Fight For Religious Rights
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Attendees pray during the Family Leadership Summit — an event sponsored by the conservative Family Leader organization — in Ames, Iowa, in July. Daniel Acker/Bloomberg via Getty Images hide caption

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Conservatives Call For 'Religious Freedom,' But For Whom?
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"That this is only directed at the Muslim community is something that I personally can't accept," activist Linda Sarsour said of President Obama's challenge to American Muslims. She's pictured here in 2011 at the Arab American Association of New York. Henny Ray Abrams/AP hide caption

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Some American Muslims Irritated By Obama's Call For Them To 'Root Out' Extremism
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Two mourners kiss outside the Bataclan concert hall, one of the sites of Friday's terrorist attacks in Paris, now adorned with a banner reading "Freedom is an indestructible monument." Peter Dejong/AP hide caption

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A woman prays at Basilica of the National Shrine of the Immaculate Conception in Washington, D.C. The shift away from religion among Americans has taken place in a relatively short period of time. Matt McClain/The Washington Post via Getty Images hide caption

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Poll Finds Americans, Especially Millennials, Moving Away From Religion
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Rachel McAdams, Mark Ruffalo, Brian d'Arcy James, Michael Keaton and John Slattery play Boston Globe journalists in the film, Spotlight. Kerry Hayes/Open Road Films hide caption

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Film Shines A 'Spotlight' On Boston's Clergy Sex Abuse Scandal
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Oprah Winfrey will join the board and will lend her name and image to Weight Watchers marketing. Brynn Anderson/AP hide caption

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Oprah Hopes Her Midas Touch Gilds Her OWN Series, 'Belief'
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Pope Francis is greeted by President Obama after arriving outside Washington, D.C., on Tuesday. Chip Somodevilla/Getty Images hide caption

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The Complicated History Of Popes And U.S. Presidents
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