Gretchen Whitmer quickly becomes Haley Stevens’s most prominent ally after a late game endorsement

Gretchen Whitmer endorsed Haley Stevens for the Democratic U.S. Senate nomination, attending a Teamsters event in Detroit with Rep. Jim Clyburn. Stevens faces Dr. Abdul El-Sayed and Mallory McMorrow in a competitive August primary, with Whitmer's endorsement boosting her campaign after McMorrow exited the race.