The story of the demented Olympic wrestling fan/coach from the chemical cash DuPont clan and his protege, “Foxcatcher” is built on performances by Steve Carell as DuPont, Channing Tatum as his star athlete and Mark Ruffalo as a fellow coach who sees the destructive spiral this relationship is turning into. Director Bennett “Capote” Miller lured Vanessa Redgrave into this prestige picture, going into limited release Friday. A can’t miss film.