WASHINGTON (Reuters) - An appeals court struck down a rule on Tuesday that had been issued by the U.S. telecommunications regulator to allow customers to watch cable and satellite TV on "plug and play" televisions, replacing set top boxes. Satellite TV company Dish Network Corp objected to the rule because it included prescriptions on encrypting programming that prevented Dish and others from, for example, making deals with studios to play new movies on a pay-per-view basis. At the request of Dish, the U.S. ...