Don't mention the polar bears, Bush tells US scientists

The Bush Administration has been accused once again of gagging US government scientists by getting them to agree not to talk about polar bears, sea ice and climate change during official overseas trips.
A leaked memorandum issued by a regional director of the US Department of the Interior states that officials within the US Fish and Wildlife Service will limit their discussions when travelling in countries bordering the Arctic region because of sensitivities about climate change.
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