[yummyfajitas]

...especially when those cheap calories lead to obesity, diabetes, and other complications.

If you are purchasing too many calories, you are wasting money that could be spent on veggies.

Poor parents raising their children badly is a real problem that should be solved if we want to improve the next generation. One possible solution is to constrain the food choices of the poor - replace food stamps with food boxes and fill the box with only healthy options.

[bittired]

This is already done through the WIC program. If you look at the shelves in the grocery store, you'll see the WIC label on certain foods. It does not stop poor food choices. The only way to make it work would be to shutdown all fast food restaurant and pull all crap off the shelves in the store, and that will never happen. Anything that can be abused to get more caloric intake for less money will be abused.