20 Jun 2014 Picks and Tips From Wide-Moat Experts Equity-fund managers--Staley Cates of Southeastern Asset Management, subadvisor to the Longleaf Funds, Stephen Yacktman of Yacktman Asset Management, and John Rogers of Ariel Investments--detail what they look for in a company's moat and some of the sectors and names where they have had success.