By Tim ReidWASHINGTON, Aug 4 (Reuters) - Michigan voters head to the polls on Tuesday in a high-stakes Democratic Senate primary that could shape the battle for control of Congress and the future of the Democratic Party amid a fierce internal debate over U.S. support for Israel.The contest pits Abdul El-Sayed, a progressive former public health official who wants to end unconditional U.S. military aid to Israel and accuses it of genocide, against U.S. Representative Haley Stevens, a moderate backed by pro-Israel groups and a longtime outspoken supporter of Israel.

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

Michigan voters will decide a competitive Democratic U.S. Senate primary Tuesday in a contest that will have major implications for control of the chamber next year.