It wasn't much publicized, but the American Association for the Advancement of Science recently adopted a statement in reaction to the latest allegations of scientific censorship in our government. You can read it here. According to AAAS:
...censorship, intimidation, or other restriction on the freedom of scientists employed or funded by governmental organizations to communicate their unclassified scientific findings and assessments not only to each other but also to policymakers and to the public is inimical to the advance of science and its appropriate application in the policy domain;
BE IT THEREFORE RESOLVED by the Council of the American Association for the Advancement of Science that such censorship, intimidation, and restriction are inappropriate. The statement also applauds NASA administrator Michael Griffin and NOAA administrator Conrad Lautenbacher for stating that scientists within their respective agencies are free to speak openly. So it would seem there's a strong consensus on this matter--but ...
