<p>This is a provocative, behind-the-scenes introduction to the vital and complex role science plays in United States politics. It includes the first formal statement from former President Clinton's former Science Advisor, John H. Gibbons; a fresh retrospective from D. Allan Bromley on science advice in the George H. W. Bush Administration; and a unique viewpoint from John McTague about his brief tenure under President Reagan. Among the twenty-four contributors are former members of the President's Science Advisory Committee, distinguished scholars, and industrialists.