Great quotes. I remember the scam clearly. Michael Mann was involved in that hoax, also. My recollection is he did some computer modeling for the frauds.
You must mean Hansen. He's the old hippy who works for NASA during the day and gets arrested at coal plants at night. Mike Mann was about 7 years old during the global cooling scare, got his PhD in 1998 and promptly published his infamous junk science hockey stick full of rudimentary errors, poor methodology and incorrect assumptions.