Oprah Winfrey stood at the podium at the Democratic National Convention on Wednesday night and roused supporters of Kamala Harris as she slammed the values she said Donald Trump espouses. The famous talk show host, TV producer, actress and author, donning an all-purple suit, got the DNC crowd to its feet at multiple points during her speech and elicited chants of “U-S-A!” She kicked off by asking, “Who says you can’t go home again? After watching the Obamaas last night that was some epic fire!” Want more breaking political news? Click for the latest headlines at Raw Story. Winfrey said she was…