"To sit in the orchestra of a Broadway theater in the week before a show begins previews is to wonder that any show ever opens at all. Late on a Friday night, at the close of a technical rehearsal for “Grace,” a play by Craig Wright at the Cort Theater, doors wobbled, lines faltered and costume changes dragged. Hours of bungled cues can frazzle nerves. Yet the actor Michael Shannon, the director Dexter Bullard and Mr. Wright, who had just hopped off a flight from Toronto, didn’t seem fazed. During a break to adjust lighting Mr. Shannon observed the set’s elegant cloudscape and called to Mr. Bullard: “Hey, do you think every once in a while a kite could go by? A little biplane?” READ MORE.