MILWAUKEE — The change at the top of the Democratic ticket is big business for one local company. Steven Dodulik owns Dodco Inc. It is a 108-year-old company that makes the wire frames for yard signs. Kamala Harris replacing Joe Biden as the presumptive Democratic nominee means big bucks for Dodco. What’s the difference between how Republicans and Democrats handle their signs? You can listen to our interview with Dodulik below.