Once again AT&T stands out as the biggest loser of video subs after the round of Q2 results, because of the continuing DirecTV Now crash. But the results overall have been overshadowed by the fallout from the proposed $26.5 billion merger between T-Mobile and Sprint, which now faces a legal challenge from 14 US States including Texas. That trial has been postponed until December 2019 just after the proposed merger gained regulatory approval. The immediate ramifications for pay TV are that this puts Dish Network in limbo as it is the linchpin of the deal by agreeing to acquire Sprint’s prepaid businesses and spectrum for $5 billion, as well gaining access to T-Mobile’s network, in order to appease regulators and…