TRADING PLACES (1983, USA, 116m, 15) **** Comedy dist. Paramount Pictures (USA), United International Pictures (UIP) (UK); pr co. Cinema Group Ventures / Paramount Pictures; d. John Landis; w. Timothy Harris, Herschel Weingrod; pr. Aaron Russo; ph. Robert Paynter (Technicolor | 1.85:1); m. Elmer Bernstein; ed. Malcolm Campbell; pd. Gene Rudolf. cast: Eddie Murphy (Billy…