Elon Musk’s wild mood swings are legendary. His “demon mode" gets a lot of attention from biographer Walter Isaacson in a new book about Musk. WSJ’s Tim Higgins talks with Isaacson about what fuels Musk’s "demon mode" and how it plays out in his business ventures. 

Further Reading and Watching:

-Elon Musk’s Lessons From Hell: Five Commandments for Business 

-Elon Musk Is Running Twitter on His Impulses 

-The Real Story of Musk’s Twitter Takeover 

Further Listening:

-Elon Musk Wants to Build an Everything App 

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