<b>PLAYWRIGHTS ON WRITING:</b> "Doubt requires more courage than conviction does, and more energy; because conviction is a resting place and doubt is infinite," says John Patrick Shanley. His play, "Doubt" stars Brian O'Byrne and Cherry Jones.

PLAYWRIGHTS ON WRITING: "Doubt requires more courage than conviction does, and more energy; because conviction is a resting place and doubt is infinite," says John Patrick Shanley. "Doubt" stars Brian O'Byrne and Cherry Jones.