In spite of its pretty healthy (and growing) WiMAX footprint, Clearwire's been saying for at least a year now that it's seriously technology-agnostic -- undoubtedly a bid to assuage investors' fears that WiMAX could end up losing the 4G race in light of LTE's global momentum. Well, it's finally more than mindless fluff for an earnings call, because the company's getting real with both FDD and TD-LTE trials in Phoenix starting this Fall running through early 2011 that will allegedl