Towns and cities across the Midwest are trying to become mini-Hollywoods. That’s via generous tax incentives for film companies. But California still dominates the $57 billion film production industry. And some are asking whether Great Lakes states are offering film crews a bit too much. Picking up the story for Changing Gears are Kate Davidson in Ann Arbor, Dan Bobkoff in Cleveland and Niala Boodhoo in Chicago.