Elon Musk wouldn't be who he is without 'demon mode' and his drive: Musk biographer Walter Isaacson

Walter Isaacson, Elon Musk biographer and partner at Perella Weinberg, joins 'Squawk Box' to discuss Elon Musk and his management of Twitter, the competition against Threads, the impact of A.I. on the workforce, and more.