Bloomberg announced his candidacy for the Democratic nomination, saying Trump "represents an existential threat to our country and our values." The businessman is a late entrant to a crowded field. This episode: Congressional correspondent Susan Davis, political correspondent Scott Detrow, and political reporter Danielle Kurtzleben. Connect: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.