Career government scientist Rick Bright testified that he was pushed out as the head of a government medical research agency after pushing back against higher-ups over an under-researched coronavirus treatment touted by the president. Bright says raised alarms about critical supply shortages early on in the pandemic. This episode: campaign correspondent Asma Khalid, congressional correspondent Susan Davis, science correspondent Allison Aubrey. Connect:Subscribe to the NPR Politics Podcast here.Email the show at nprpolitics@npr.org.Join the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station