Very interesting interview and LOL at McCain
US election: Questioning the candidates
Barack Obama accepted Nature’s invitation to answer 18 science-related questions in writing; John McCain’s campaign declined. Obama’s answers to many of the questions are printed here; answers to additional questions (on topics including biosecurity, the nuclear weapons laboratories and US participation in international projects) can be found at Wherever possible, Nature has noted what McCain has said at other times on these topics.
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