All our kernels in one basket?

LA Times: Corn is king
As any studious reader of Michael Pollan knows, almost everything in the North American food supply chain starts with corn. Now, by subsidizing the growing of corn for use in biofuels, the US has inextricably linked our food and fuel economies. That means that a drought in the US midwest — not an unlikely occurrence — could now have disastrous consquences that touch nearly every area of our lives.