Updated Nov 7, 2018 - Politics & Policy

Republicans secure Senate after flipping North Dakota

Rep. Beto Rourke of Texas, Sen. Heidi Heitkamp (D-N.D.) and Sen. Joe Manchin (D- W.V.) — Left to right: Rep. Beto O'Rourke of Texas, Sen. Heidi Heitkamp (D-N.D.) and Sen. Joe Manchin (D- W.V.) Photo: Tom Reel-Pool/Getty Images, Tom Williams/CQ Roll Call and Drew Angerer/Getty Images.

Republicans have secured the Senate majority after a series of GOP upsets in key states across the U.S., including in red states such as Indiana and North Dakota.

Between the lines: There are 10 Senate Democrats running for re-election in states that President Trump won. Their challenges explain why Republicans are already projected to keep control of the Senate.

Winning and losing red-state Senate Democrats

Winners

Sen. Sherrod Brown (D-Ohio)
Sen. Bob Casey (D-Pa.)
Sen. Joe Manchin (D- W.Va.)
Sen. Tammy Baldwin (D-Wis.)
Sen. Debbie Stabenow (D-Mich.)
Sen. Jon Tester (D-Mont.)

Losers

Sen. Joe Donnelly (D-Ind.)
Former Gov. Phil Bredesen (D-Tenn.)
Sen. Heidi Heitkamp (D-N.D.)
Rep. Beto O'Rourke (D-Texas)
Sen. Claire McCaskill (D-Mo.)

Other Trump state Democrats

Sen. Bill Nelson (D-Fla.)

Go deeper: The Senate map is trouble for Democrats in 2018

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Republicans secure Senate after flipping North Dakota

Winners

Losers

Other Trump state Democrats

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