Martin Winterkorn takes a drastic step, as Volkswagen faces withering criticism. U.S. officials prepare their case against the automaker. And VW struggles to defend itself, as drivers file a blizzard of lawsuits. Support our show by supporting our sponsors! Worthy - Get up to twice as much for your jewelry when you go to worthy.com/AS Policy Genius - It takes just a few minutes to find your best price and apply at Policygenius.com