Despite all Sprint's efforts to promote its Network Vision plans, the carrier has been much more coy about its intentions for subscribers in the rural midwest. It was recently revealed that the company plans to divest some of its infrastructure in Oklahoma and Kansas, where the carrier will instead rely on roaming agreements for voice and data. The move is primarily a cost-cutting measure, but one network -- AT&T -- is none too happy about the revelation. Ma Bell argues that Sprint is being too opportunistic following the FCC's shuttering of the Home Market Rule, which (once u