at an auto workers' union hall in toledo, ohio, king and investigative journalist greg palast describedd mitt romney's involvement in a hedge fund that purchased delphi automotive, a key supplier of parts to general motors, and how delphi's new owners got rid of 25,000 workers, dumped pensions and leveraged more than $12 billion in rescue funds by threatening to withold key auto parts from reaching gm's assembly line. "the hedge fund held up steering columns and other things that had gm not gotten them, they would've gone under. chrysler as well." "they were literally willing to risk the survival of gm to make as much money as they could." steven rattner, former counselor to the treasury during the bailout period, called it "extortion demands by barbary pirates." palast says delphi relocated parts plants in china and emerged from bankruptcy, going public last year. the company, purchased by the romneys' hedge fund at 67 cents per share in 2009, sold for $22 a share at the ipo - a 3,000% profit for investors like the romneys. a return largely the result of the auto bailout that romney so