The federal agency responsible for consumer protection is refusing a request from members of Congress to investigate the nonprofit Clinton Foundation.

“When the [Federal Trade] Commission can establish that an entity claiming to be a charity is in fact operating to profit itself or its members, i.e., is a ‘sham charity,’ the Commission can bring an enforcement action against the entity for making deceptive representations to donors,” Democratic Commission Chair Edith Ramirez wrote in a Thursday letter to House members.