ScienceOnline '10

Over at Linked In, the professionally oriented social networking service, there's a discussion group called "Climate Change - I care!" Most of its members are those who share a concern for what anthropogenic global warming is threatening to do to civilization as we know it. Until this week, membership was open to anyone. But the moderator just ejected one member who has, shall we say, a contrarian point of view. Was that a wise thing to do? The member, Leigh Haugen, only posted pseudoscientific rants about the conspiratorial nature of the entire climatology community, and if he does actually…