Although he may be best remembered as the author of the famed “Serenity Prayer,” Reinhold Niebuhr — an American-born pastor, writer, and outspoken political activist — became as one of the most influential public theologians in American history. Over a career spanning a half-century, he was a moral voice – a conscience – during some of the nation’s most defining eras. In 1948, Time magazine selected Reinhold Niebuhr for its cover story for the 25th anniversary issue, a testament to the public theologian’s importance to the wider American culture. 60 minutes