The Season 51 premiere examines the origins of the opioid epidemic, including a prison interview with a pain clinic doctor who made over $6,000 a day pushing opioids, shows no remorse and was sentenced to 157 years in prison for drug trafficking. Also: Paul McCartney says he can't read or write music shares rare details from the Beatles years and his subsequent decades as the most successful musician in popular music history. And, Inside the decision to delay Brett Kavanaugh's Supreme Court confirmation.