Sometimes the country wants a man of faith. This happened when Jimmy Carter, a former Sunday-school teacher, was elected following Watergate, and when the born-again George W. Bush’s slim victory looked like a repudiation of Bill Clinton’s sex-scandal-marred presidency. To speak in the register of faith—not a particular sect or even God, but a grounding belief in a higher order—is to reach beyond partisanship, to try to return to basic moral precepts. In calmer times, a leader expounding from such heights risks sounding preachy and self-righteous. But when the country is exhausted, this might be just what people want. Right now, the country is exhausted. And Pennsylvania Governor Josh Shapiro, a top contender for president in 2028, has a new memoir in which the word faith appears nearly 100 times. In Where We Keep the Light, Shapiro is doing what presumptive candidates for the highest office usually do when they write such a book: He is laminating his narrative. Here is the regular guy who loves shooting hoops, who is hopeless with a hammer, who …