To look upon the face of Claire Danes is to discover an exquisitely expressive canvas for all the emotional colorings of life. This remarkably self-possessed young performer brought startling authenticity as well as intelligence and complexity to her starring role in the landmark high school/family drama "My So-Called Life" (ABC, 1994-95). Danes' often heartrending portrayal of a fifteen-year-old coping with the rigors of adolescence contributed to the cult series' avalanche of kudos and won a Golden Globe Award and an Emmy nod for its rising star. The low-rated, short-lived program counted