Apple's new chief

In the 15 years since he's been charge at Apple, Tim Cook has turned the consumer tech company into a multi-trillion dollar success. What does new CEO John Ternus need to do to keep Apple on top? Also, what's on the minds of those running the world's biggest economies? We take the temperature at the G20 summit in North Carolina. And as Sony Music Publishing and Warner Chappell become the latest industry names to take legal action against an AI giant, we speak to someone at the heart of the debate: a real-life musician. Photo: REUTERS/David Swanson