60 Minutes: Season 51, Episode 11

51 - 11: Elon Musk | Screen Time | Ryan Speedo Green

Elon Musk: Musk opens up to Lesley Stahl about Twitter, pot, the Securities and Exchange Commission, Model 3 and Tesla.

Screen Time: 60 Minutes goes inside a landmark government study of young minds to see if phones, tablets and other screens are impacting adolescent brain development.

Ryan Speedo Green: After a childhood of anger and violence, the 32-year-old now commands the stage around the world.