Sprint's riffed about the possibility of migrating to LTE in the past -- as has its 4G partner, Clearwire -- so it's no big surprise to hear CEO Dan Hesse tell the Financial Times today that he's still open to the idea down the road, possibly side-by-side with the company's existing WiMAX deployment thanks to its deep spectrum holdings. What's far more interesting, though, is his concession that there's "logic" to exploring a merger with T-Mobile USA in the event that they both move to LTE for their next-gen
