A shorthand voters’ guide for Tuesday’s mayoral election in Minneapolis could have defined the choice of candidates as left, left and lefter. The winner, incumbent Mayor Jacob Frey, was one of the lefts, even if he ran to the right. “For Minneapolis, Jacob Frey is a Republican,” Carin Mrotz, executive director of Minnesota’s Jewish Community Action, quipped of the 40-year-old Frey, a staunch member of Minnesota’s Democratic-Farmer-Labor Party. “It’s Minneapolis, so it’s a given that the mayor is going to be a Democrat,” Mrotz, whose group champions racial and economic justice issues, continued of the city where the last Republican...