Lots of fascinating things on the first part of last night's No Direction Home (although I feel a little cheated by discovering that his manager conducted the interviews, and not Martin Scorsese (apparently, a big Johnny Boy fan!)), but aside from Dylan's comedy theft of folk records, Liam Clancy (or Big Comedy Irishman, as I believe he should be known as from now on), and Dylan's different stories of his background, there's this: the album Bob Dylan originally sold 2500 records. On Columbia Records. If you did that today, Sony would drop you in a second…