Rev. Franklin Graham, the son of evangelist Billy Graham and a prominent evangelical leader in his own right, waded into contentious waters Tuesday when asked for his views on the religious beliefs of President Obama and the GOP hopefuls. Graham, the CEO and president of the Billy Graham Evangelistic Association, told a Morning Joe panel he couldn't say for certain that Obama is a Christian. “You have to ask him. I cannot answer that question for anybody. All I know is I’m a sinner, and that God has forgiven me of my sins," Graham said. "You have to ask every...