President Barack Obama’s former auto industry adviser and two former Treasury Department officials cracked at the last minute before a House oversight committee subcommittee hearing and agreed to stop stonewalling an investigation into alleged union favoritism during the administration’s General Motors bailout. Ron Bloom, Obama’s former auto czar, and former Treasury officials Matt Feldman and Harry Wilson have refused to give interviews to the Special Inspector General for the Troubled Asset Relief Program (SIGTARP) about their roles in topping up pensions for union workers while non-union workers lost nearly their entire pensions. The Treasury Department’s actions during the auto bailout...