Washington - Comcast (NASD: CMCSA) , the nation's largest cable TV company and second-largest broadband ISP, on Thursday appealed sanctions levied against it by the Federal Communications Commission (FCC) over the company's throttling of customers' peer-to-peer traffic to the U.S. Court of Appeals. Comcast is arguing that, since FCC rules did not specifically prohibit its practice of blocking file-sharing traffic, "the Commission's action was legally inappropriate and its findings were not justified by the record," according to a statement published by The New York Times. read more ...