it's like fine tuning unnatural selection, right? the law of unbended consequences. it is relatively easy to stay on top of destructive vermin on an uninhabited island like this one, but what about a place with people? what about an island like floreana? remember, that's the island where countless rodents have driven a little mockingbird to the brink along with floreana's version of the giant tortoise. carl can't use his goat snipers get rats, but national park officials want him to use those helicopters to essentially bomb the entire island with poison. how do you do that? how do you make sure you don't accidentally poison the cows and the pigs and the farmer and his wife and the tourists? >> the measures that need to be taken are simply to remove the potential pathway that, you