KAFR KANNA, Israel — Mansour Abbas, a conservative Muslim, is an unlikely political partner for the leaders of the Jewish state.
He is a proponent of political Islam. He heads an Arab party descended from the same religious stream that spawned the militant Hamas movement. And for most of his political life, he never considered supporting the right-leaning parties that have led Israel for most of the past four decades.
Yet if Mr. Abbas has his way, he could help decide the next Israeli prime minister after next month’s general election, even if it means returning a right-wing alliance to