Following triumphs in the silent The Patsy, The Cardboard Lover and Show People, Marion Davies took her first headlong leap into talkies with the crazy-quilt musical- comedy-romance Marianne, inspired by and from the scriptwriter of (believe it or not) King Vidor's The Big Parade. Sporting a bawdy fractured-English accent, she plays an earthy French peasant who runs an inn and cares for war orphans in a village where a troop of American