Planet 100's Top 5 'Franken(stein)' Animals (VIDEO)

Planet 100's Top 5 'Franken(stein)' Animals (VIDEO): "With the announcement of an 'Enviropig' whose poop may still smell, but wouldn't pollute as much, we're reminded of the compelling, controversial and perhaps comedic examples of the wonders of genetic engineering. This week's Planet 100 special counts down the top five 'franken animals.'"