SUMMER 2019 SPECIAL: Jon Keller, Liam Martin and Paula Ebben discuss living through Boston's hottest July ever, Keller talks to former Boston Globe writer Glen Johnson about his new book about his years working as an aide to then-Secretary of State John Kerry, Paula meets the new Boston Public Schools superintendent, how people of color are treated under Massachusetts's pot regulations, and Liam gets anxious about what's in the supermarket.