By Thomas Griffin, The Federalist - St. Patrick’s Day often comes and goes quickly with the usual highlights of shamrock lights, pints of Guinness, and parades, staples of celebrating this saint who helped convert Ireland to Christianity more than 1,500 years ago. What often escapes notice, however, is the radical nature of Patrick’s life... So, who is the man behind the holiday? In answering that question, a rediscovery of both St. Patrick’s words and the facts of his life can be used as fuel for renewing our culture and our nation.