In this episode, scientists find a new Earth-like planet. No word on their progress finding girlfriend-like companions. Then, The New York Times says presidential candidates should debate the environment. Good luck fitting it behind a podium. And former presidential candidate and New York Knick Bill Bradley is here. I'll ask him which of this year's candidates is toughest in the paint. It's the last day of April. One more month until Speedo season. Do your squats! This is The Colbert Report.