Summary: Crain's reporters Steve Daniels and Danny Ecker talk with host Amy Guth about the future, and legacy, of Wirtz Corp. Plus: United Airlines is bulking up in Denver; trucking giant Yellow lays off 3,000 workers here; Sueños generated $181.6 million for Chicago, $67 million more than NASCAR's own estimate for its race weekend; and workers in the Midwest are coming into offices more often than the rest of the country, new research shows.
