Secular elites like to insist that America and by implication the world is growing ever more secular. The evidence is doubtful at best. In 2012 a much trumpeted Pew study showed a record number of Americans professing to be religiously unaffiliated, with 20 percent declared as “nones.” Although the same study showed about the same percentage of Americans attending church regularly as have for the last 80 years, it was widely heralded as proof of accelerating secularization.

A massive Gallup survey of over 300,000 Americans published in December 2012 rebuts the secularist claims of triumph. Gallup found 77 percent identifying with Christianity, with 5 percent identifying with non-Christian religion, and 18 percent unaffiliated. The Gallup report, called “God Is Alive and...