Speculation is building around a potential merger between Comcast (NasdaqGS:CMCSA) and Charter, raising questions about future scale and competition in US cable and broadband. Comcast has agreed to provide a curated Peacock channel for United Airlines passengers, extending its streaming content into in flight entertainment. The NFL Network has been removed from Comcast’s Xfinity cable service, changing the sports offering available to many pay TV subscribers. For investors, these...