The term Parthian shot comes from the military tactic of mounted Parthian archers retreating at a full gallop, turning their bodies back to shoot at the pursuing enemy, and Tom Wheeler has committed a classic such strike as he prepares to leave the FCC, around the idea of zero-rating services. On the FCC site this morning we can see the regurgitation of the debate over such services involving AT&T, Verizon and T-Mobile, and a report prepared for the FCC and a dialog with 3 Democrat senators, Edward Markey, Richard Blumenthal and Tammy Baldwin, effectively issuing the report – supposedly at Midnight last night. In essence, it is a working method to distinguish between the zero-rating practices of T-Mobile USA, with…