** FILE ** Federal Communications Commission Chairman Kevin J. Martin speaks during a question and answer session during the Telecommunications Industry Association's Globalcomm conference in this June 5, 2006, file photo in Chicago. A decade-old telephone tax intended to help bring affordable service to rural areas has instead turned into a bottomless and politically protected well of cash for cell phone companies that do big business in rural America. The Federal Communications Commission will decide whether to cap payments while it considers options for long-term changes _ again. (AP Photo/Jeff Roberson, File)