Are we becoming children of the corn, thanks in part to large subsidies and overproduction? Photo: NREL/Warren Gretz At dinner Sunday night, I asked my friend Prasad if he knew about the new farm bill and what it means for average Americans. He didn't. I wasn't surprised. With the election, the war, and rising prices to fret about, not many people are pondering legislation about farms. But they should, because it has huge implications for the country's nutrition, environment, and health. Here are three reasons why we all should pay closer attention to the 2007 farm bill: food, fuel, and …