Oprah Winfrey tells CNN she still supports President Obama, however she will not do a large endorsement event like she did during the 2008 campaign cycle. "I don't need to endorse him because I am a 100% supporter him of and I've already endorsed him. And I've already, you know -- everybody always asks me 'Are you going to do what you did in 2008?' What I did in 2008, I did because people really didn't know -- my friends didn't even know who he was at the time," Oprah Winfrey told CNN. "They were like 'Who's this guy? You...