Stephen Frears’s enjoyable, sentimental biopic gives Streep a role to relish, while Hugh Grant provides a touching foil in a genuine paean to mediocrityPerhaps she was a tragic figure, or a clinical case worthy of Oliver Sacks, or the incarnation of a dishonest middlebrow culture. But in the end, Stephen Frears’s enjoyable, sentimental movie turns this bizarre real-life figure into a version of Eddie the Eagle, swooping and crashing through New York’s music-loving high society in the 1940s.