Ukraine continues to hold out against a Russian invasion, as the U.S. and its European allies debate military aid and banning Russian oil imports to further constrain the petrostate's economy. NPR's Ryan Lucas is reporting from Ukraine and shares how the people there are experiencing the Russian invasion.This episode: White House correspondent Tamara Keith, correspondent Ryan Lucas, and national political correspondent Mara Liasson.Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station.