DAMNEE MANON SACREE SANDRA, Bailiwick Repertory. Michel Tremblay’s 1977 drama is the kind of play Bailiwick’s Pride series should present more often. Unlike the formulaic relationship dramas and nudie domestic comedies that give the festival a breezy irrelevance, Tremblay’s demanding meditation on the inseparability of purity and corruption plunges an audience headfirst into one of the 20th century’s defining moral dilemmas. Tremblay pits the tortuously devout Manon, who struggles to transform herself into pure spirit with the help of a watermelon-sized rosary, against the wearily hedonistic Sandra, a chain-smoking transvestite who finds religious fervor in a life of pure carnality. Borrowing liberally from Beckett and Genet, Tremblay splits humanity into eloquent opposing forces, waxing poetic on the brink of existential doom.