Robert Duvall, who won an Oscar for “Tender Mercies” and was nominated for his roles in films including “The Godfather,” “Apocalypse Now,” and “The Great Santini,” has died. He was 95. Duvall’s death was announced on Facebook via a statement from his wife, Luciana Duvall. Duvall’s gruff naturalism came to define the acting style of a generation that included Robert De Niro, Dustin Hoffman and Gene Hackman in such films as “Network” and “The Apostle,” which he also directed. And while he may never have been as big a star as DeNiro, his unshowy ability to fully embrace the characters...