Combat Obesity

The other day I had an idea I think might work for combating obesity, although it is a bit Communistic. We ought to tax food that is bad for you - fast food, etc, and then subsidize food that is good for you - chicken, broccoli, etc.

I sure whether I would like this policy, because I like a lot of food that is "bad" for you and these nutritional trends are fickle. But in general, I think we know certain foods are good and certain foods, especially fast food, are bad. I wouldn't eat McDonalds if it costs $15, that's for sure.