“The Return of Tanya Tucker: Featuring Brandi Carlile” is a heckuva title for a documentary. But right at first, you can tell it is about Tanya Tucker. Tucker has been ‘gone’, but now she has returned. But it will also feature Brandi Carlile. So there is a lot you can tell from a movie title. But now to unpack the various details found so far, and see what it all means…