All you need to know is “Raquel!” stars Raquel Welch and was “filmed on location in London, Paris, Acapulco, Mexico City, Big Sur, Sun Valley, Yucatan, and Los Angeles!” She sings. She dances. And Bob Mackie designed the costumes. Prepare yourself to step into a time capsule that is so quintessentially 1970. “Raquel!” starts off with Raquel singing “Games People Play” during the opening credits...