union representing immigration employees is calling the senator to leave the "gang of 8". new trouble for president obama's nominee for labor secretary. a blistering report finds thomas perez may have misused in his pow in a deal to settle a case that was destined for the supreme court, potentially costing taxpayers hundreds of millions of dollars. peter doocy is live for us in washington with more on this. peter, how did this quid pro quo develop? >> reporter: heather, the short version he of the story is based on a new 67-page long joint congressional report titled how assistant attorney general thomas perez manipulated justice and ignored the rule of law. president obama's labor secretary are i nominee, told the mayor of st. paul, minnesota, christopher coleman, back in 2012, that the justice department would stay out of whistle-blower cases brought against the city if the city of st. paul would drop a supreme court appeal that was pending at the time.