Facebook CEO Mark Zuckerberg faced a “crucible moment,” a point in his life that would test him and potentially shape him as a leader, in March 2018 when it was discovered that Cambridge Analytica had accessed data from 87 million Facebook accounts. Harvard Business School professor, and former chairman and CEO of Medtronic, Bill George discusses his case, “Facebook Confronts a Crisis of Trust” — why Zuckerberg handled the crisis as he did, the importance of earning and keeping user trust, the role of companies in protecting privacy, and the pros and cons of regulation.