>Today, if it was a mandate you could slap a label on every vegetable and track it back to the field it was grown.

I would fully support such a mandate, for meat products too.

It would be interesting, giving consumers more information is nearly always better, it opens the door for open source analysis, the 2nd and 3rd order effects would probably be mostly harmless and highly entertaining.

>I suspect that a lot of Whole Foods shoppers would be a bit miffed to find out that the lettuce in their salad kit also ends up on a McDonalds burger.

They're be too busy being angry that "BNSF Alliance Intermodal Facility, Haslet Texas" is in fact not an avocado farm.