Dolly Parton, the country music icon whose soaring vibrato vocals, poignant songwriting and sparkling costumes defined her rise from a log cabin in the Tennessee mountains to the height of stardom and acclaim, has died, her nephew Brian Seaver said in a video shared on her Instagram page. She was 80 years old. Known for her curvy physique, massive blonde wigs and skin-tight outfits that served her self-deprecating wit, she was among the most beloved personalities in music and beyond – the rare...