UP FOR DISCUSSION: - Our driving impressions on the newest products from Audi and GM. - Nissan's top marketing man, Simon Sproule, leaves to join Tesla. - How has GM done in managing its ignition problems? SPECIAL GUEST: Chuck Thomas, Chief Engineer Automotive Safety, Honda R and D Americas - How did Honda get the jump on other automakers to beat the IIHS small overlap crash test? All that and more with John McElroy, Autoline.tv; Gary Vasilash, Automotive Design and Production; and Brent Snavely, Detroit Free Press