Obama vows to cooperate with Congress after U.S. midterm election U.S. President Barack Obama speaks at a press conference in the East Room of the White House, in Washington D.C., the United States, Nov. 5, 2014. U.S. President Barack Obama on Wednesday said he was ready to work with Republicans who defeated Democrats and cruised to victory, becoming the majority party in both chambers of Congress after Tuesday's midterm election. Xinhua/Yin Bogu