Hour 1: Will the Big Three American auto makers, General Motors, Ford and Chrysler, manage to emerge from the economic downturn intact? And what will the future hold for Detroit? We’ll talk this hour with veteran business and automotive reporter and New York Times Detroit bureau chief Bill Vlasic. His new book is “Once Upon a Car: The Fall and Resurrection of America’s Big Three Auto Makers–GM, Ford, and Chrysler” (William Morrow, 2011).