Among the enthusiastic audience at the recent American Conservatory Theater opening of “North by Northwest,” Emma Rice’s stage adaptation of Alfred Hitchcock’s 1959 thriller, it seems that hardly anyone followed the circuitous plot. As the two-and-a-half-hour (with intermission) production proceeded, by the time the first act ended, many seemed lost. Still, most also were entranced throughout Act 1 by Rice’s flat-out, […]