Yesterday Cox announced that they were launching 50 Mbps broadband service in Las Vegas . In the announcement, local Las Vegas Cox executive Marilyn Burrows did something strange: she explained the Cox network in reasonable, realistic terms — addressing its “non fiber” aspects and plainly exploring how DOCSIS 3.0 allows coaxial based infrastructure to achieve new heights. Why was this strange? To combat Verizon FiOS, the cable industry has been engaged in an industry-wide advertising campaign that tries to confuse customers into thinking last mile and core network fiber are essentially the same thing . The claims have been at the heart of several truth in advertising debates. The National Advertising Division of the Council …