This Day Forward **
By: Isa Goldberg The horrors of family life have been fueling Nicky Silver's dramadies for some time now. In his early play, Pterodactyls (1993), he wished the nuclear family into extinction. And when he made his Broadway debut just four years ago, with The Lyons, it was with an equally acrimonious family. In fact, Linda Lavin couldn't have been bitchier or funnier in her role as the wife of a dying man. Click…