CNET covers a GAO report on RFID use by Federal agencies, which suggests that they may be inattentive to security issues:
In a report published Friday, the Government Accountability Office said that 13 of the largest federal agencies are already using RFID or plan to use it. But only one of 23 agencies polled by the GAO had identified any legal or privacy issues–even though three admitted RFID would let them track employee movements.