Scientists find a new Earth-like planet, The New York Times encourages presidential candidates to debate the environment, and guest Bill Bradley talks about oil and ice cream. (0:33)
Stephen questions whether assault rifles be used for hunting, Steagle Colbeagle the eagle receives an honor, and guest Dr. Craig Venter discusses genetic engineering. (0:33)
Stephen is all for the second opinion. If a doctor says he's allergic to shrimp, he finds a doctor that says he's not. He feels the same about scientists and global warming. (4:04)