‘Holy Grail’ producer sues Monty Python stars over musical royalties

The producer of the cult film “Monty Python and the Holy Grail” took its comedy stars to court on Friday in a bid for royalties from a hit spin-off musical, Spamalot. Three of the six Pythons — Eric Idle and Michael Palin, both 69, and Terry Jones, 70 — are due to give...