This intriguing film speculates on what might have happened during Paul McCartney's 1976 visit with John Lennon at his New York apartment. Together again, the old friends bicker, consider an impromptu reunion on "Saturday Night Live," and discuss the long and winding road of their lives. Aidan Quinn, Jared Harris star; directed by Michael Lindsay-Hogg ("Let It Be"). 92 min. Standard; Soundtrack: English Dolby Digital stereo.