John Waters on His Unexpected Journey

John Waters is no ordinary filmmaker, reveling in camp and delighting in matters of poor taste. He started off as fringe, gaining attention for “Pink Flamingos,” but has gradually found himself in the mainstream, especially in the wake of his 1988 film “Hairspray.” His latest work is a memoir, “Mr. Know-It-All: The Tarnished Wisdom of a Filth Elder." He spoke with Christiane about his career.