Congress should put the screws to the Treasury Department to disclose all documents pertaining to the origins of the Obama administration’s controversial “net-worth sweep” of Fannie Mae and Freddie Mac profits, according to a coalition of right-leaning public policy groups. In a letter dispatched late this week to the top Republican and Democrat of the House Financial Services Oversight and Investigations Subcommittee, the 17 groups led by the Competitive Enterprise Institute urged lawmakers to intervene to impose transparency over what GSE shareholders consider an extra-legal maneuver by the executive branch.