Abdul El-Sayed has won Michigan's slugfest of a Democratic Senate primary, NBC News projects, clinching the nomination in a close race over Rep. Haley Stevens and establishing a Midwest beachhead for a progressive left on the march this midterm cycle. El-Sayed overcame a nearly $65 million onslaught of outside money and an establishment that had rallied around Stevens. Popular Gov. Gretchen Whitmer endorsed Stevens late last month " a move seen as a last-ditch effort to stop a rising El-Sayed.