Democratic National Committee Chair Rep. Debbie Wasserman Shultz (D-FL) (C) joins fellow congressional Democrats to call on Republicans to postpone the Memorial Day holiday recess on the steps of the House of Representatives at the U.S. Capitol May 26, 2016 in Washington, DC. Democratic presidential candidate Sen. Bernie Sanders' (D-VT) campaign manager said, 'I think someone else could play a more positive role' as chair of the DNC than Wasserman Schultz, sparking rumors of her being forced from the position.