The U.S. Federal Communications Commission has adopted rules designed to halt cable system operators from retaliating against independent channels when there are business disputes or discriminating against them in favor of ones in which they ownership stakes.The rules are intended to ensure that the monopoly power of cable operators is not used to deny viewer choice or harm competition channel providers. One rule is designed to prohibit systems from dropping channels when there are business disputes with systems that have been taken to the commission for resolution.Another rule is designed to create a more level...