Stephen's adopted turtle, Stephanie Colbertle, is leading the Great Turtle Race, while two other lady turtles hang back at the nesting grounds, listening to Melissa Etheridge. (2:09)
After a mama polar bear rejected her cub the zoo planned to care for it but activist Frank Albrecht felt the cub should be killed -- Stephen agrees. (1:49)
Stephen knew presidential politics could get personal, but he never guessed it would get as dirty as Barack Obama challenging him to a grit-off. (2:05)
Banning light bulbs, giant Mexicans babies crossing the border, the Miss America pageant and the misrepresentation of bear hugs are all major threats. (4:33)