layers of wrong, dated from years ago
"And Mann refuses to show the methods used to construct the graph"
Reality below:
"One point of contention relates to McIntyre's requests for Mann to provide him with the data, methods and source code McIntyre needed to "audit" MBH98.[19] Mann provided some data and then stopped. After a long process - in which the National Science Foundation supported Mann - the code was made publicly available."
http://en.wikipedia.org/wiki/Hockey_stick_controversy
I suggest reading the whole article to find out how stupid the anti-Hockey Stick nonsense is. The term I've heard for them is Zombie Lies - they've been killed, but people keep bringing them back.