This time, they left the corporate jets at home and drove for hours all the way from Detroit to the steps of the US Capitol in Washington, DC. General Motors' Rick Wagoner brought the production Chevy Malibu hybrid and prototype Volt (and R&D chief Lawrence Burns), Chrysler CEO Bob Nardelli stepped out of a prototype electric Jeep and Ford's Alan Mulally came in a hybrid Escape. Then, as the Senate Banking Committee hearing came to order, they ate humble pie and encountered scepticism. Halfway through the hearings, there's still no guarantee Congress will agree to bail the Big Three out.