U.S. farmers forced to destroy crops with no demand

Plowing through row after row of leafy lettuce, this tractor at Jack Vessey's ranch in California isn't harvesting any greens this season.

Instead, it's destroying them--as restaurant shutdowns across America continue sending shockwaves through the nation's food supply chain, right down to the produce not yet picked from the fields.

California is the top producer of fruits and vegetables in the U.S.

Vessey estimates this lettuce field alone equaled more than 80,000 cartons of produce now destroyed -- what he says was over a million dollars' worth of food, gone to waste.