The direction of the Federal Communications Commission during a second Obama Administration will be decided in two places: In the chairman’s office, which could have a new occupant next year, and in federal court, where cases are pending that challenge the F.C.C.’s authority over broadband service, internet traffic and wireless data, The New York Times reports. Julius Genachowski, the F.C.C. chairman since 2009, made the expansion of broadband service a priority during his tenure, but the next chairman will face formidable foes in efforts to free up more airwaves, or spectrum, for use by wireless phone companies…