The Cable Show was really the Comcast Show this year, as the operator blew everyone out of the park and affirmed itself as the leader in innovation in the industry. It influences CableLabs, it has its own R&D lab, it has its own content creators, it’s pushing residential gateways, TV Everywhere services, 4K, Wi-Fi. The only thing missing is an OTT service! Comcast CEO and chairman Brian Roberts wooed and wowed audiences during his keynote speech at The Cable Show, which included a broadband speed test and a tour around its newest X2 platform. ‘Our future looks really bright,’ he said. ‘There’s a vibe at Comcast that I haven’t seen in many, many years.’ The vibe was infectious at the…