Charles Carr, the 19-year-old kid at the wheel of a powder-blue Caddy when Hank Williams Sr. died in the back seat just after midnight on Jan. 1, 1953, has passed away. Carr, 79, was the last person to see the legendary singer-songwriter alive. I spent the day with Carr 10 years ago and wrote a story about his recollections of those last few hours on the...