Vanity Fair's McLean explains why some say Tesla stock is 'easy to manipulate'

Since Tesla CEO Elon Musk's infamous "funding secured" tweet in August of 2018, the company's stock is up over 110 percent. Musk has had success despite slaps on the wrist from the SEC and within his own company, and it's raising new questions about the role of the CEO in today's Silicon Valley climate. Jeff Sonnenfeld, associate dean for leadership studies at Yale School of Management, and Bethany McLean, Vanity Fair contributing editor and host of the podcast "Making a Killing," to discuss.