We've said it before and we'll say it again. The dream is to ditch the traditional telephone network and simply have a data pipe coming into our smartphones, and it looks like that's the aim of AT&T as well. AT&T's federal regulatory division VP, Hank Hultquist, even did a talk on the subject at CES, saying that the telephone network is obsolete, and he wants to push towards an "all-IP telco".AT&T actually petitioned the FCC a couple months ago to make a plan for the inevitable time when the traditional telephone networks have to be retired, because the market is ...