Willie Nelson: ‘I drank too much, I smoked too much. I took too many pills’

The legendary country singer says he did everything wrong. Yet now, at 93, he’s music’s last man standing. What’s the secret of his longevity?• Read an exclusive extract from Willie Nelson’s memoir hereBefore the interview, Willie Nelson’s publicist warns me that there’s only one thing the 93-year-old country music legend doesn’t like to discuss: the past. Which rules out talking…