Four years ago, Don Sabbe made what he calls a “devastating” mistake. Determined only to cast a vote for a candidate he believed in, he left the top of his ballot blank in the 2016 presidential election. This year, the 83-year old former Chrysler employee says he’ll definitely vote for Joe Biden, but he’s getting concerned about Biden’s campaign here in Michigan. “I can’t even find a sign,” Sabbe says outside a Kroger’s in Sterling Heights, where surrounding cars fly massive Donald Trump flags that say “No More Bullsh-t” and fellow shoppers wear Trump T-shirts for their weekend grocery runs.