Diane Winston, USC Annenberg School for Communication and Journalism In August 1982, Ronald Reagan’s father-in-law was dying. Nancy Reagan’s beloved dad, Loyal Davis, was an atheist – a troubling fact to the 40th president. So Reagan penned a private, handwritten note in which he recounted how the prayers of colleagues and friends had cured him of a painful stomach ulcer. Demoed Reagan’s Evangelical Vision.” In recent years, Donald Trump, another former president and the current Republican presidential candidate, has often spoken about his faith, posing for photo ops with right-wing preachers …