08/31/21: Schools come back with new and old baggage

As Chicago Public Schools resume in-person learning for the first time in more than 500 days, there will be familiar rites of passage and new ones. Chalkbeat Chicago bureau chief Cassie Walker Burke and host Amy Guth talk about what to expect from the new school year. Plus: Chicago sues Grubhub and DoorDash, Rivian files for IPO, Baxter reportedly nears $10 billion deal to buy Hillrom and Northwestern study finds getting COVID-19 doesn’t guarantee a high level of antibody protection.