Thomas Carper, chairman of Amtrak's board of directors, is under fire from a California congressman, who is calling for his ouster, along with that of the passenger-rail service's general counsel. (Associated Press)

Thomas Carper, chairman of Amtrak's board of directors, is under fire from a California congressman, who is calling for his ouster, along with that of the passenger-rail service's general counsel. (Associated Press)