Michael Mann’s The Insider saw him team up again with Al Pacino, this time as the TV producer-journalist who helped expose the deceit undergirding Big Tobacco companies’ business practices. Russell Crowe earned acclaim playing a research chemist-turned-whistleblower, and the film won numerous awards. The biggest question is whether this film is a quiet masterpiece that remains relevant to today’s audiences, or is it a historical curio to be studied at a distance?