Tony Fadell might have left Apple to make the Nest Learning Thermostat, but it may be the case that Apple hasn't completely left him. If we go by a pair of rumors, Nest's Internet-savvy climate control could soon be in Apple Stores, presumably across the US, for the same $249 as it costs to splurge for one through Nest itself. We're definitely skeptical -- home appliances and automation aren't really Apple's strong suits, and Nest has already declined to comment -- but 9to5 Mac has heard that