Unless you live in California and are oblivious of what's been going on with Prop. 37, it is likely you've been bombarded by geotargeted web ads and TV spots.  Although this election could spur a revolution in the way our food is made, Proposition 37, a popular Golden State ballot initiative, would require the labeling of food containing genetically modified (GM) ingredients. The food and agriculture industries are spending millions against Prop. 37 its passing.