DETROIT — Michigan Gov. Gretchen Whitmer vetoed a bill that would have required her and future governors to set special election dates for state lawmaker seats within 30 days of their vacancy, a move that Republicans described as unexpected and protecting her own power. The Republican-led Legislature had advanced the legislation by former state Rep. Andrea Schroeder, an Independence Township Republican who wanted to make sure constituents didn’t go long without representation in Lansing after a lawmaker left office early. Schroeder died Oct. 1 from cancer, and Whitmer announced on Dec. 14 that…
