CNN CNN Newsroom With Fredricka Whitfield August 2, 2015 20:47:00
Have to be human intervention or is this simply a big no-no? >> human intervention in a national park is a major no-no. i don't know any situation where they might step in unless it would be some human-borne disease that we might step in and help cure that disease because we introduced it to them. in a case like this males taking over territories, because that's a natural process, even though in this case, we've tipped the balance, it would still be left. >> still survival of the fittest. >> all right. dave thank you so much. all right. straight ahead, jon stewart, with only a week left as h...