Michigan’s Democratic Gov. Gretchen Whitmer signed an executive order Friday that goes into effect Monday mandating face masks in public indoor and crowded outdoor spaces. It introduces a misdemeanor charge with a $500 fine for violators who refuse. “The heroes on the front lines of this crisis have gone hours without taking their masks off every day, doctors, nurses, child care workers, grocery store workers. We owe it to them to wear our masks when we’re on a trip to the grocery store or pharmacy,” Whitmer said in a press release. “For the sake of your loved ones, let’s all...