Stephen Colbert welcomed former Vice President Al Gore to the Report tonight for a wide-ranging chat—just kidding, it was mostly about global warming because, duh, Al Gore. That notwithstanding, the interview did have two standout moments, including Gore's refusal to reciprocate Rick Perry's 1988 endorsement of him, as well as a conversation about Keith Olbermann that ended with Gore accidentally "outing" Colbert as a character. Here are both of them in one video.