Watch these pro chefs debate how long eggs, butter, ketchup and avocados can be kept out of the refrigerator

Do you need to refrigerate butter? How about eggs? How long can an open bottle of red wine sit on your counterbefore turning nasty? Bon Appétit invited professional chefs to discuss these urgent questions of food safety before revealing the USDA guidelines. Sure, you can look up the USDA recommendations yourself but that's not as entertaining as watching these folks be surprised by how wrong they are (at least in the USDA's opinion).