GOP wins Senate seats in Iowa , Colorado , W. Virginia , Kentucky , N. Carolina , W. Virginia , Colorado . CNN projects GOP will keep the House and Senate . Mitch McConnell beat Democrat Alison Lundergan Grimes in Iowa . Obama to make a statement Wednesday afternoon .
GOP wins Senate seats in Iowa , Colorado , Arkansas , S. Dakota , Montana , W. Virginia , N. Carolina . CNN projects GOP will keep the House and Senate . Mitch McConnell beat Democrat Alison Lundergan Grimes in Kentucky . Obama to make a statement Wednesday afternoon .