To be sure, a certain number of dropped calls are to be expected when you're dealing with the wonders of cellular communication, but some phones do seem to fare worse then others when paired with certain carriers in particularly congested regions. Apparently fed up with such problems in New York, Gizmodo reader Manoj decided to stop by an Apple Store to see if something might be wrong with his iPhone -- this, after apparently being assured by AT&T that everything was all right on its end. After