Warren Buffett needs to go back to school: Stoltmann

4:27 PM ET Thu, 24 April 2014

Andrew Stoltmann of Stoltmann Law Offices; CNBC contributors Carol Roth and Stephanie Link; and CNBC's Seema Mody and Mary Thompson, discuss the duties and obligations of a board director following Warren Buffett's abstention from a vote at Cola-Cola.