Until her 15th year on air, Oprah Winfrey refused to interview politicians. "I've stayed away from politicians really for one main reason: I never felt I could have a real honest conversation with them," she said. But that all changed in 2000 when Winfrey interviewed both Al Gore and George W. Bush as the two squared off in a close race for the White House. "I thought, 'Well, OK, 15 years. I need to try to penetrate that wall," she said.
Now, as the queen of daytime TV wraps her final shows, we take a look at the political walls she's broken and the souls she's bared.