A stagehand for country music superstar Randy Travis was shot dead over the weekend by his wife, who believed he was having an affair, police have revealed. Christine Roberts, 72, was arrested and charged with criminal homicide Sunday after she allegedly shot her husband, Thomas Roberts, 68, on the porch of their Nashville, Tenn., home, police said. When officers responded to the home, she told them she shot her husband “because he had cheated on her,” according to the Metropolitan Nashville Police Department. Thomas Roberts, who had worked for the “Diggin’ Up Bones” hitmaker for over two decades, died from...