Preview: Howard Buffett
June 21, 2012 2:57 AM
Legendary investor Warren Buffett has chosen his son Howard to succeed him as head of his multibillion dollar holding company. But as Lesley Stahl reports, "Howie" -- a farmer -- is no chip off the old block. Watch Stahl's report on Sunday, June 24 at 7 p.m. ET/PT.