A former Biden administration aide just won a crowded primary race in Massachusetts, setting up a glide path to the House of Representatives come November. Dan Koh came out first among six candidates to replace Rep. Seth Moulton, D-Mass., who ended his House tenure with a failed run for Senate against incumbent Sen. Ed Markey, D-Mass., that came to a conclusion Tuesday night. Koh had the backing of...

House Democratic Whip Katherine Clark toppled two progressive challengers Tuesday in Massachusetts’ safely Democratic 5th Congressional District, surviving a primary fight that put Gaza and pro-Israel political spending at the center of the race. Clark, who won handily Tuesday night against fellow Democratic Party contenders Jonathan Paz and Tarik Samman, was first elected in 2013 during a special election and has held her position as House Democratic whip...

Rep. Jake Auchincloss advanced Tuesday against Jason Poulos in Massachusetts’ 4th Congressional District. Auchincloss has held his seat since 2021 and faced his first Democratic primary challenge since winning the seat. Progressive challenger Poulos is an AI policy researcher who has been critical of Auchincloss regarding past support for military aid to Israel and ties to AIPAC while calling for an end to U.S. military assistance to Israel....