No administration has been above inserting politics into science from time to time. However, a considerable number of individuals who have served in positions directly involved in the federal government’s use of scientific knowledge and expertise have asserted that the Bush administration is, to an unprecedented degree, distorting and manipulating the science meant to assist the formation and implementation of policy. The following are accounts from a number of authoritative sources including political appointees from past Republican administrations, senior science advisors who have served both Republican and Democratic administrations, and long-term civil servants from federal agencies.