Outstanding, emotive, melancholic biopic of Chaplin, with a transfixing Robert Downey Jr. playing the lead role. The film covers Chaplin’s whole life, from a childhood in poverty to the silent successes to the eventual sound failures. Fantastic all-star supporting cast–especially the various Chaplin flings (Marisa Tomei is a standout)–but Downey’s the whole show. Downey, John…