VANYA AND SONIA AND MASHA AND SPIKE: 95% " SWEET
VANYA AND SONIA AND MASHA AND SPIKE: 95% " SWEET Kristine Nielsen, left, Mark Blum and Christine Ebersole in "Vanya and Sonia and Masha and Spike" at the Mark Taper Forum. Photo: Craig Schwartz SWEET An actor must deliver in the here and now, and deliver Nielsen does, in a performance that starts amazing us in the opening moments and never quits. She is a heartbreaking comic marvel. So is the play. Bob Verini " ArtsI…