Biden-endorsed Dan Koh wins divided Democratic primary to succeed Seth Moulton

Dan Koh, a former top aide to President Joe Biden, won a crowded Democratic primary Tuesday to succeed Rep. Seth Moulton (D-MA) in Massachusetts’s 6th Congressional District. Koh received 41.1% of the vote when the Associated Press called the race, defeating five other candidates. Tram Nguyen finished second with 29.5%

Democrat Daniel Koh is projected to win his party’s primary for the House seat left open by Rep. Seth Moulton (D), according to Decision Desk HQ. Koh was locked in a tough primary battle against progressive state Rep. Tram Nguyen for the seat representing the state’s 6th Congressional District. Moulton, who has represe