Senators says cable TV users aren't refunded for overcharges

A Senate investigation of cable TV costs released Thursday criticized two major cable companies for consistently failing to provide refunds to customers they knew had been overcharged.The Senate Permanent Investigations subcommittee found Time Warner Cable and Charter Communications made no effort to trace set-top box equipment overcharges and to provide refunds to customers. "Instead, their practice has been to just pocket the past overcharges," a report on the investigation said.Time Warner Ca