On the same issue, if my recollection serves me rightly--I used to be in the grain business at one time--corn sets your feed price and barley follows the corn price, and of course feed wheat follows the barley price. So basically if your corn starts being used for the biofuel, you're going to affect the price of barley and eventually feed wheat. The dairy guys, who incidentally grow a lot of corn as well as forage because it's an alternate product for them, might say, well, dairy is not profitable anymore, so let's go to corn; let's go to something else.
You are going to affect the consumer somewhere along the line. It has to happen. It's just a given. Somewhere along the line, if the farmers start growing acreage for biofuel, other commodities will be affected and somebody is going to have to pay that price. It's as simple as that.