T-Mobile owner on Elon Musk launching a wireless carrier: ‘Welcome to the party’

The head of T-Mobile's parent company is casting doubt on SpaceX's plans to make Starlink Mobile a "major" carrier in the US. During an earnings call on Thursday , Deutsche Telekom CEO Tim Höttges says he takes the Elon Musk-owned company "super serious," but that it will cost at least $200 billion to pull off: He [Musk] has now bought 76 megahertz of spectrum. By the way, we have 400. So if…