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

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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%, while the remaining four candidates each received less than 15%.

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