Coca-Cola is a favorite of Warren Buffett. Both the beverage and stock. $KO hasn't done much lately. (Neither has $PEP.) But Coke has been a big success for Berkshire Hathaway. Buffett $BRK.B happy to cash big dividend checks. My latest for @barronsonline. www.barrons.com/articles/warren-buffett-berkshire-hathaway-coca-cola-7aa41de3