There have been rumors for years that the Cubs will someday start their own network. Looks like that would be several years off considering the deal with CSN (it expires in 2019; the current WGN deal expires after 2014). I, for one, am a big CSN fan. They're as good an RSN as there is. A Cubs network would need some other programming to sustain it, and I don't see what they'd get other than the Wolves or something. The carriage issues would be a nightmare.
As far as CLTV and channels like it, I wish DirecTV would have a regional news pack in the manner of their sports pack. Include channels like CLTV, NY1, News 14 Carolina and New England Cable News.
Someone mentioned the Cubs not being on WGN America after the current deal expires. I'm read multiple times that the Cubs will be permitted to stay on the national signal as long as current contracts continue to renew, but if they ever leave WGN and then join up again later, those games will be restricted to the local signal.