Or rather, 14 reasons. Science Debate 2008 is a collaboration among some of the foremost scientific and public policy experts out there today. After developing a list of 14 science and policy-related questions from an original list of more than 3,000, they sent these 14 questions to both the Republican and Democratic presidential nominees and asked them to answer. Barack Obama’s answers have been submitted and posted. The McCain campaign has said they will answer the questions, but they haven’t yet (I’ll keep checking back to update on that).