Rep Henry Waxman maintains a website providing some oversight of the state of science under the current administration. Here's a link: Politics and Science. A rather unsettling post appeared there today:

Saturday, January 1, 2005
HHS Restricts Communications between U.S. Scientists and WHO Officials

A new HHS policy requires the World Health Organization to submit all requests for expert scientific advice to political officials at HHS who pick which federal scientists will be permitted to respond. The new policy and two recent Administration decisions to withdraw federal scientists from major international health conferences are part of a disturbing pattern of political interference in global health issues.