Crain’s reporter Katherine Davis talks with host Amy Guth about why companies come to Chicago to boost innovation, as groups including Tyson Foods, Caterpillar, the Department of Defense and many others, have all opened hubs in recent years.

Plus: Lightfoot says the requirement to show proof of vaccination could end within weeks if COVID metrics keep dropping, three $8 million-plus homes just found buyers without hitting the market, trading firm DRW bulks up on West Loop office space and Illinois appeals temporary order blocking school masking requirement.