MA 260 / Week Four Discussion: What was the reasoning behind some cities' decisions to build their own cable system and reject the major cable operators such as Comcast and Cox? Why did some of those community-owned cable systems go bankrupt?

       Why did some cities, like Portland, build their own cable system and reject the major cable operators such as Comcast and Cox? Why are some of those community-owned cable systems, such as that of Portland, going bankrupt?