Evangelist Franklin Graham dodged questions about President Obama's religious faith in a morning show interview on Tuesday, saying he couldn't know for sure whether Obama was a Christian.Graham, the son of famed evangelist Billy Graham and CEO of Billy Graham Evangelistic Association, split hairs when MSNBC's "Morning Joe" host Willie Geist asked him point blank if he believed Obama was a Christian."You have to ask President Obama" Graham said. "People have to ask Barack Obama. He's come out saying he's a Christian, so I think the question is, 'What is a Christian?'"http://www.nydailynews.com/news/politics/franklin-graham-waffles-questions-obama-faith-article-1.1026293