General Motors Corp., hoping to sway the battle in Washington over an auto-industry bailout, has begun telling federal officials that a bankruptcy filing by the car maker would set off a chain reaction hammering hundreds of suppliers and dealers -- and in turn the company's Detroit rivals. GM is attempting to set the terms for what looks to be a showdown among the lame-duck U.S. Congress, President Bush and the incoming Obama administration. On Friday, Senate Majority Leader Harry Reid signaled he will move forward on Monday with a bill giving the industry access to the $700 billion Troubled Asset...