The United States Senate.

Politico – Republicans seized control of the U.S. Senate and were on track to expand their grip on the House of Representatives and governorships in the 2014 elections, marking a dramatic midterm rout that cut deep into territory President Barack Obama and the Democratic Party won by commanding margins only two years ago.

With several Democratic-held Senate seats still up for grabs, the GOP has already captured more than the six seats required to take the upper chamber of Congress. Their candidates ousted Democratic incumbents in North Carolina, Arkansas and Colorado and sailed into the open seats of retiring Democrats in West Virginia, South Dakota and Montana. A seventh Republican candidate, Iowa state Sen. Joni Ernst, won a brutally competitive open-seat race in Iowa to pad the GOP’s new majority.

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