Tesla shares dropped Friday after a slew of bad headlines. Elon Musk smoked a joint and drank whiskey in an interview with Joe Rogan, Tesla's chief accounting officer Dave Morton resigned after just a month on the job, and Tesla HR boss Gaby Toledano decided to not return to the company after taking a leave of absence last month. Plus, we're joined by Daymond John, entrepreneur and 'Shark Tank' star, to hear about his keys to building a successful career.