Trump Publicly Calls For China And Ukraine To Investigate Biden President Trump now says China should investigate former Vice President Joe Biden and his son Hunter. The president's remarks Thursday are a significant escalation of events in the Ukraine matter. This episode: White House correspondent Tamara Keith, Congressional correspondent Susan Davis, and White House correspondent Franco Ordoñez. Email the show at email@example.com. Find and support your local public radio station at npr.org/stations.