Global Warming Denier: Fraud or 'Realist'?

His fellow scientists call him a fraud, a charlatan and a showman, but Fred Singer calls himself "a realist." Singer, an 84-year-old Princeton-trained physicist, is the grandfather of the global warming skeptics who dispute the established scientific consensus that global warming is real, that it is caused by the pollution humans are pumping into the atmosphere, and that it will be catastrophic if measures are not taken immediately. "All bunk," Singer told ABC News in his characteristically...Full Story
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