Following the bracing sexual and political candor of “BPM,” writer-director Robin Campillo’s much-laureled film about HIV/AIDS activism in 1990s Paris, “Red Island” initially appears to be a retreat into cozier nostalgia — a child’s-eye view of life on a French military base in 1970s Madagascar, flooded with sunlight, awash with the thrill of youthful exploration. […]
