A letter report issued by the General Accounting Office with an abstract that begins "The National Railroad Passenger Corporation (Amtrak), the nation's intercity passenger rail operator, was created by Congress in 1970 after the nation's railroads found passenger service to be unprofitable. It is a private corporation. Its financial situation has never been strong, and it has been on the edge of bankruptcy several times. Early this year, Amtrak stated that federal financial assistance would have to more than double for the corporation to survive. Given Amtrak's worsening financial condition and the potential for intercity passenger rail to play a larger role in the nation's transportation system, there is growing agreement that the mission...