Salon Magazine has accused the Republican Party of being out of touch with “post-Christian America,” warning the GOP that if it doesn’t renege on its alliance with Christianity, it will soon become irrelevant. Ted Cruz’s failure to get the GOP nomination, Matthew Sheffield proclaims in Salon, “is a perfect window into trends that will set the pace of American politics for decades to come: Americans are moving away from Christianity, including people most likely to vote Republican.” To back up his claims, Sheffield cites the 2014 Pew Research study finding that 23 percent of Americans say they’re “unaffiliated” with any...