i will understand your challenge in selling this idea. >> also part of the challenge with this is essentially that, you know, the species are extremely hard to remove and in some of these aspects people do have sentiments regarding some of these species. >> yeah. >> so that comes as part of the challenge. as you know, it's essentially where you have -- >> i can tell, man, you're struggling with this. it's all right. you can say it. kitty's got to die in order for the mockingbird to live, isn't that it, ultimately? >> there are big choices to make and a whole suite of people need to make them. >> i need to go talk to those people, right? find out how they feel about a massive cat hunt on their island. oh, and just wait till you hear what carl has in store for the rats. denver international is one of the busiest airports