A recent survey on conspiracy beliefs in the United States attracted a lot of media attention. The first question: Do you believe global warming is a hoax, or not? Do ................................................................... 37% Do not ............................................................. 51% Not sure .......................................................... 12% The political breakdown, according to the poll, found that "Republicans say global warming is a hoax by a 58-25 margin, Democrats disagree 11-77, and Independents are more split at 41-51. 61% of Romney voters believe global warming is a hoax." No doubt, outspoken Republican politicians have played a key role here, but this particular conspiracy belief extends beyond American shores. One Forbes blogger wrote several years ago: