BottomLine: Food 20 Jun 13

Food comes from a supermarket or over a counter for most of us. But how do the companies that make our curries and custard or cater for us at work get it from field to fork? Evan Davis discusses the food supply chain with his guests Gavin Darby, CEO of Premier Foods, Perween Warsi, founder and CEO of S&A Foods and Alastair Storey, CEO of WSH.