Bjorn LomborgBjorn Lomborg, the Danish climate skeptic, is back in the news. The headlines say he has changed his position on global warming. According to the Guardian, a leading British newspaper, Lomborg is now calling for an annual investment of $100 billion to "resolve the climate change problem by the end of the century," in an alleged "U-turn that will give a huge boost to the embattled environmental lobby." But the Guardian, and other news outlets worldwide, should not have been so easily misled by this latest salvo in the climate debate. Lomborg now wants to have it both ways, …