REMEMBERING THE OLD DAYS--Denny Doherty (left) is joined by Michelle Phillips and her ex-husband John Phillips during taping of a segment of his new half-hour television series, Denny's Show. The three singers were once members of the top folk-rock group called The Mamas and the Papas. The fourth member, Cass Elliot, died several years ago. (CP PHOTO) 1978