For decades, the story of the Martin family lingered like a ghost along the Columbia River Gorge. It was one of those Oregon mysteries that people whispered about, revisited in old newspaper clippings, and passed down through generations. Now, nearly 70 years later, that story has finally found its ending. Authorities have confirmed that human remains discovered inside a long-lost vehicle in the Columbia River belong to members of the Martin family, who vanished in December of 1958 during what...