Films featuring dark political themes are an acquired taste for many moviegoers, but, when they tell personal stories within such a context, they generally become more accessible for audience members, even those who might not ordinarily gravitate to pictures in this genre. That’s a goal expertly accomplished in the latest from director Walter Salles. This superb fact-based offering tells the heart-wrenching story of former Brazilian politician Rubens Paiva (Selton Mello) who, in 1971, was seized by, and subsequently disappeared at the hands of, the military dictatorship that overran in the cou...