“The problems of the few should not drive the harm of many,” Sens. Bill Hagerty (R-Tenn.), Mike Crapo (R-Idaho), Thom Tillis (R-N.C.) and Steve Daines (R-Mont.) said, noting that revelations of Bernie Madoff’s Ponzi scheme didn’t lead to banks cutting off other asset managers. “Regulators should not be punishing an entire industry.”