Rep. Cori Bush (D-Mo.) lost her Democratic primary on Tuesday, shrinking the ranks of the House’s left-wing “Squad” and delivering another major victory to the pro-Israel and business-friendly groups that backed her challenger. Wesley Bell, the St. Louis County prosecutor, defeated Bush. Since Missouri’s 1st Congressional District, which includes all of St. Louis and many of its northern and western suburbs, is overwhelmingly Democratic, Bell is all but assured of a seat in Congress come...