AAH #236 - GM's Defect: What Did Barra Know, and When Did She Know it?

UP FOR DISCUSSION: - Mary Barra's testimony in D.C. -- going from bad to worse? - How did the analysts get March sales forecasts so wrong? - Chrysler says Ram outsold Silverado, but WardsAuto data disagrees - Sales overall are up, yet green car numbers continue to plummet SPECIAL GUEST: Barry Ratzlaff, Executive Director, Hyundai Connected Car and BlueLink All that and more with John McElroy, Autoline.tv; Gary Vasilash, Automotive Design and Production; and Mike Austin, Popular Mechanics.