Former Massachusetts Attorney General Scott Harshbarger will lead the internal investigation into ACORN's activities following a scandal over the group's operation, ACORN Board Chairwoman Maude Hurd announced Tuesday. Controversy over the community organizer's practices erupted in recent weeks after a series of hidden-camera videos were released showing ACORN workers appearing to offer tax advice to a couple posing as a pimp and prostitute. ACORN afterward pledged an internal review. Harshbarger will begin the investigation immediately. "I have been asked by the leadership of ACORN to conduct an independent and comprehensive inquiry and review of the management of its service delivery...