Progressives are trotting out an old bugbear of the Israel-loathing fringe as the congressional election season heats up. Democratic radicals facing tough primaries are lambasting AIPAC, the American Israel Public Affairs Committee, for the sin of helping their opponents. Look no further than The Squad. “We can’t and won’t give AIPAC and the GOP another inch!” Rep. Cori Bush (D-Mo.), who’s facing an AIPAC-backed challenger in her Aug. 6 primary election, wrote on X last month. Rep. Ilhan Omar (D-Minn.), herself up against an AIPAC-supported opponent in her Aug.13 primary, has blasted AIPAC in a campaign ad claiming that a...