The government should also throw its support behind putting a second bar code on all food products that , when scanned either in the store or at home ( or with a cellphone ) , brings up on a screen the whole story and pictures of how that product was produced : in the case of crops , images of the farm and lists of agrochemicals used in its production ; in the case of meat and dairy , descriptions of the animals ' diet and drug regimen , as well as live video feeds of the CAFO where they live and , yes , the slaughterhouse where they die .