Massachusetts incumbent and Israel critic Sen. Ed Markey, 80, handily defeated Rep. Seth Moulton, 47, on Sept. 2 in the state’s Democratic Senate primary. And in the 6th Congressional District’s Democratic primary, Andover’s Dan Koh bested four others who sought to fill Moulton’s seat. Meanwhile, Micah Jones, an attorney, who is Jewish, a veteran and a staunch supporter of Israel, ran unopposed in the Republican primary. Markey, a Malden native,