Steven Spielberg announced today that he’s going to be the executive producer on a new Halo television show, one that will be exclusively available on Xbox’s new “interactive TV” ecosystem. The idea is that the new Xbox (they’re calling it “Xbox 1”) will be your hub for your gaming, your television, your music, potentially all your friendships and perhaps your very identity as a human being. The big announcement was, of course, original television content, including—most notably—Spielberg’s Halo live-action series, which will be based on the deliriously popular first-person shooter game that put Xbox on the map …