Oprah Winfrey has “always tried to stay out of the political fray,” her friend CBS host Gayle King said Wednesday. But the 70-year-old legendary TV personality decided to speak at the Democratic Convention this year because, according to King, “she feels there’s a lot at stake.” [time-brightcove not-tgx=”true”] “Who says you can’t go home again?” Winfrey said at the start of her surprise appearance at the convention in Chicago, where her long-running The Oprah Winfrey Show, which ended in 2011, was based.