To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/45422" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/45422" allowfullscreen></iframe> Dec. 7, 2008 "Good Morning America" discussed the way zoos can make millions from cute baby animals and mentioned Knut, the polar bear cub who helped sell global warming alarmism - until he grew into a killing machine.