Big Red's flexing its 4G muscle today, announcing that it has successfully completed the first true tests on its nascent LTE network -- end-to-end data calls that presumably approximate real-world usage. The action actually happened way back on July 15 in Seattle, while Boston just went down today -- the two markets where Verizon said it'd be running the first trials -- both on 700MHz spectrum won not terribly long ago. LG and Samsung provided the mysterious, unspecified "trial devices," but don't worry, Motorola fans -- Verizon says they've got devices in the pipeline as well. Bot