The funny and perceptive series Simon Evans Goes to Market is currently being repeated on Radio 4. In the programme on grain, Jim Rogers, American commodities investor, says 'Over the last ten years or so the world has consumed more than it has produced, and when you consume more than you produce, the supply has to come from somewhere. So we've been whittling down our inventories, our stocks, so that now inventories of agricultural products are near historic lows. Agriculture has been such a horrible business for thirty years that we're now running out of farmers. Nobody wants to be a farmer. In America the average age of farmers is 58, in Japan it's 66, in Canada it's the oldest in recorded history, in Australia it's 58 – nobody wants to be a farmer. In America more people study public relations than study agriculture.' Read more by Dirk Campbell...