CNBC: Top CEOs rethink corporate responsibility

The nearly 200 CEOs that makes up the Business Roundtable are redefining corporate responsibility. Earlier this week, the BRT released a modernized and more inclusive statement about the "purpose of a corporation," stating that shareholder value is no longer the main focus of a business. Jeff Sonnenfeld joins "Squawk Box" to discuss.

View the full video on CNBC here.