“Joementum!”

Joe Biden scores a decisive victory in the South Carolina primary, causing Pete Buttigieg, Amy Klobuchar, and Tom Steyer to end their campaigns. As the last four candidates look to Super Tuesday, the Trump Administration continues to bungle the response to the growing threat of coronavirus. Then David Plouffe talks to Jon L. about what to watch for on Super Tuesday and his new book, A Citizen’s Guide to Beating Donald Trump.