Celebrating OprahDr. Mehmet Oz! Rachael! See who (and what!) the media mogul has made famous


She can sell millions of books, launch careers, and fill an entire network with new shows – but can Winfrey pick the president? Some say yes. Before Barack Obama even decided to run for President, Winfrey threw her support behind the junior Senator – and stumped for him in her "Oprah-bama" tour in 2007. "If he wants me to, I'm ready to go door to door," Winfrey later tells Entertainment Tonight, after Obama beats former front-runner Hillary Clinton for the Democratic nomination.