Leading AT&T executives – CEO Randall Stephenson and CEO of AT&T Communications, John Donovan – last week clarified the company’s future video strategy, promising new services this year and next, embracing mobile TV-first, Cloud PVR, and an over-the-top full TV package. The new buzzword coming out of this was WatchTV, a new $15 skinny bundle specifically for mobile, which will also come in a ‘free edition’ for customers on premium smartphone packages. This takes AT&T directly up against the Go90 Verizon offering, but we got the impression that this is not ‘millennial-only’ content, but a high quality skinny bundle that takes on Dish Networks’ Sling TV, and others like it, and simply eliminates live sports from the basic package to…