‘Vietnam’: Riveting but flawed documentary

By GAETANA CALDWELL-SMITH “The Last Days of Vietnam,” a documentary film produced and directed by Rory Kennedy. Director Rory Kennedy, daughter of environmental activist Robert F. Kennedy, has created a riveting and heartwarming, yet heartbreaking, full-length documentary film, “The Last Days of Vietnam,” which takes place in South Vietnam from 1973 to 1975, the last…