Slideshow: A dogfight at the Michigan Democratic Party convention

Labor union members listen to candidates for statewide offices during a meeting of the Michigan Democratic Party’s labor caucus. (Bridge photo by Lindsay VanHulle)

Supporters of Michigan Attorney General candidate Dana Nessel cheered and held signs during a congressional district meeting late Sunday afternoon. (Bridge photo by Riley Beggin)

“Birdie Sanders” carries a Michigan for Revolution flag—a grassroots progressive group that grew out of the Michigan for Bernie Sanders organization—through Detroit’s Cobo Center Sunday on his way to the party’s Progressive Caucus meeting room. (Bridge photo by Riley Beggin)

Michigan Attorney General candidate Pat Miles addresses labor union members Sunday at the Michigan Democratic Party’s endorsement convention. To his left is his father, Pat Miles Sr. (Bridge photo by Lindsay VanHulle)

Michigan Attorney General Pat Miles shakes hands with an audience member as he leaves a Michigan Democratic Party caucus meeting after pitching party voters on why he is the best choice for Attorney General. (Bridge photo by Lindsay VanHulle)

Michigan Attorney General candidate Dana Nessel speaks to the state Democratic Party’s Labor Caucus, one of the largest in the party. The group formally endorsed her opponent, Pat Miles. (Bridge photo by Riley Beggin)

Michigan Attorney General candidate Dana Nessel (right) stands with her son and wife, Alanna Maguire (left) in the ballroom of Detroit’s Cobo Center before the state Democratic Party endorsement convention Sunday. (Bridge photo by Riley Beggin)

Michigan Attorney General candidate Pat Miles shakes hands with Ben Burton, a supporter and union member from St. Clair Shores. (Bridge photo by Lindsay VanHulle)

Dana Nessel addresses the crowd of Michigan Democratic Party voters after they endorsed her as their preferred candidate for Attorney General in November. (Bridge photo by Lindsay VanHulle)

Dana Nessel talks to reporters at Cobo Center in Detroit shortly after Michigan Democratic Party voters endorsed her as their preferred candidate for Attorney General in November. (Bridge photo by Lindsay VanHulle)