Wallis says the biblical prophets would scream at today's racial injustices.
Read MoreAlmost all have been Protestant and only three were religiously unaffiliated.
Read MoreA few surprises in the rankings for 2015. Did your hometown make the list?
Read MoreMatthew Paul Turner argues from history that Christians have Americanized God.
Read MoreIs America "exceptional" and should Christians shout it from their star-spangled rooftops?
Read More"America's Best Theologian" talks about war, peace, and the church's relationship with the state.
Read MoreAmerican Christians have a persecution complex, but in the Middle East, we see actual persecution.
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