First came Paul vs. John, which begat Dirk vs. Nasty, which begat Eric vs. Neil. Monty Python member Eric Idle and comedic songwriter Neil Innes were the close friends and collaborators who created the Rutles three decades ago as a parody of the Beatles -- a very popular band, you may recall, whose bitter breakup left close friends/collaborators Paul McCartney and John Lennon at each others' throats. In the wake of the recently released straight-to-DVD "The Rutles 2: Can't Buy Me Lunch," Idle, who plays McCartney stand-in Dirk McQuickly, and Innes, who plays Lennon stand-in Ron Nasty and wrote the...