Monty Python is adding at least four extra dates to its reunion show next year after the initial 14,500-seat show sold out in 43.5 seconds. The show will now run from July 1st through July 5th at Londons O2 Arena, and Variety reports that a sixth show is being planned for the Hollywood Bowl in Los Angeles. A world tour could also be in the works, according to The Daily Mirror, which reported the addition tour dates before they were announced. …