A highly competitive and bitter Democratic Senate primary playing out in Michigan this week is being viewed as a kind of proxy fight for big money in politics, the power of the pro-Israel lobby and the future of U.S.-Israel relations within the party.

Tuesday’s Michigan Senate primary between Haley Stevens and Abdul El-Sayed has become a bitter referendum on many of the fights Democrats are having nationally.

Progressive Arab-American Senate candidate Abdul El-Sayed faces off against moderate Haley Stevens