At Slate, Forrest Wickman examines the religious beliefs of past presidents, specifically looking at who was “the most religious.” Wickman finds that Carter, a self-described “born-again,” was most fervent in his religious life, with Garfield, a former clergyman, a close second. “While in office,” Wickman writes, “Carter attended church wherever he went, even while on the road, and continued to teach Sunday school when at home.”