This is the final version of an essay who's working title was:
"Mann's "hockey stick graph" and McIntyre et al. examined."
Printed in the Four Corners Free Press June 2011 issue.
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Perhaps the most enduring argument AGW “skeptics” use against the scientific consensus regarding manmade global warming is attacking something called the “Mann hockey stick graph.”
What’s a hockey stick got to do with understanding global warming? Well, it goes back to the 1980s and 90s.
