Older Black people are at higher risk of Alzheimer's disease and other causes of dementia, and some research suggests racism is one of the factors behind that increased risk. We talk to Dr. Rachel Whitmer at UC Davis about her research and what it means as the pandemic rages. And, New York Times journalists Leslye Davis and Catrin Einhorn join us to discuss their new Netflix documentary "Father Soldier Son," which follows the lives of platoon sergeant Brian Eisch and his two sons for almost a decade.