When it rains, it pours. As anyone who takes Big Apple public transit can tell you, the days of the brief underground reprieve from wireless are mostly behind us -- in many parts of Manhattan, at least. But if you doubted that the rest of the 100-year-old transit system would be getting some love, let Sprint lay those concerns to rest. The carrier announced this morning plans to bring service to the whole map -- that's 277 underground stations in all, bringing coverage to Sprint, Boost and Virgin Mobile subscribers. Folks on those networks will be g
