Witnesses testified on the federal government bailout of General Motors.   Panel Two: Mr. Dan Ikenson, Associate Director of the Herbert A. Stiefel Center for Trade Policy Studies at the Cato Institute Mr. Bruce Gump, Vice Chairman of the Delphi Salaried Retiree Association Dr. Thomas Kochan, George Maverick Bunker Professor of Management at the Massachusetts Institute of Technology Ms. Shikha Dalmia, Senior Analyst at the Reason Foundation