Part of the fun in portraying Christian diet cult leader Gwen Shamblin, I suppose, is wearing her sky-high wigs. Jennifer Grey takes up the role in a film about her unusual ministry at Tennessee’s Remnant fellowship Church and Weigh Down Workshop, “Gwen Shamblin: Starving for Salvation” (Lifetime, 8 p.m.). The NHL All-Star Game (ABC, 3 […]