Old fashioned mallet-to-the-head, poke-in-the-eye slapstick comedy was alive and well in the 1970s via the much-abused body of Jackie Chan. Nobody mixed breakneck Kung Fu action and laughs better. In this ultra-breezy film—Chan's biggest hit in the early days—he's an unrepentant young cut-up whose father sends him off to get some discipline from a renown