Moto X with T-Mobile compatibility gets FCC approval

Despite the fact that the Moto X hasn't even been officially announced (unless you count Eric Schmidt's Idaho flaunt-fest or Dennis Woodside's D11 talk as "official"), there's a lot we already know about the device. What we haven't heard for certain yet are which carriers in the US will offer the new handset, though FCC docs and other leaks have revealed AT&T, Verizon and Sprint as likely candidates so far. Does T-Mobile fit into the mix? Whether or not the UnCarrier will really pick it up, a va...