Book excerpt: Estelle Parsons created a sensation in New York as the title character, a teacher who runs her classroom with an iron fist, velvet glove not included! Banned, then censored in Brazil (the playwright's homeland), Miss Margarida's Way is a searing drama that looks deeply into the heart of power. Audiences and critics in over fifty countries have cheered this allegory about totalitarianism that uses a classroom as its central metaphor. Miss Margarida teaches, teases, and taunts her eighth-grade cla