'I'm Typically Putting in 16-Hour Days': Elon Musk Tells Don Lemon About Working Long Hours to Eliminate 'Civilizational Risks' The pair sat down for a 90-minute interview. We watched it, so you don’t have to. Previous Article NVIDIA’s annual AI conference impact Next Article Facebook Is Revamping One of Its Oldest, Most Controversial Features: 'Nature Is Healing'