Blood Brothers by Sarah Stegall copyright ©1995 by Sarah Stegall munchkyn@netcom.com Writer: Sara B. Charno Director: Rob Bowman The theme of the evil twin dates back at least to the story of Cain and Abel, echoing down through Western literature in such works as far apart as the Welsh epic “The Mabinogion” and Thomas Tryon’s novel “The Other”. The phenomenon of the identical twin, who shares not just a sibling’s face but sometimes a personality, threatens our notions about the uniqueness of the individual. The twin often becomes a metaphor for schizophrenia and dissociation. But the oldest use of the…