In reaction to policymaking that they believe ignores or distorts scientific expertise, scientists more and more are assuming direct advocacy roles. The latest sign from today's Washington Post:

Two dozen scientists swarmed over Capitol Hill this week mad as vespinae ( hornets) at what they say is Bush administration meddling in environmental science.

Organized by the Union of Concerned Scientists and the Endangered Species Coalition, the rumpled researchers won time in the offices of more than 20 lawmakers. They are protesting what Francesca Grifo, director of the Scientific Integrity Program at the Union of Concerned Scientists in Washington, calls "the systematic dismantling of the Endangered Species Act through the manipulation and suppression of science."