Will contact-tracing apps save the day?

Health experts say contact tracing is essential while we wait for a coronavirus vaccine. But tracing the virus’ spread requires a lot of work … and a lot of people. POLITICO’s Steven Overly explains how apps could save the day — and why a lack of coordination between states could spell trouble. Plus, the police killing of a black man in Atlanta sparks more unrest. And Europe’s borders reopen. Steven Overly covers technology policy for POLITICO. Jeremy Siegel is a host for POLITICO Dispatch. Irene Noguchi is the executive producer of POLITICO audio. Jenny Ament is the senior producer of POLITICO audio.