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 plummetSPECIAL GUEST: Barry Ratzlaff, Executive Director, Hyundai Connected Car and BlueLinkAll that and more with John McElroy, Autoline.tv; Gary Vasilash, Automotive Design and Production; and Mike Austin, Popular Mechanics.