NPR's Joanna Kakissis has been reporting on the life of Ukrainians as Russia continues to amass troops on the country's border. And will Russian President Vladimir Putin's continued aggression drive a wedge between the United States and Europe?This episode: White House correspondent Ayesha Rascoe, international correspondent Joanna Kakissis, 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.