Do 18th and 19th century ship’s logs, including Admiral Nelson’s (hence the crap pun) debunk the “myth” of Anthropogenic Global Warming? No, of course they bloody don’t.
http://www.badscience.net/2008/09/dont-let-the-facts-spoil-a-good-story/
No further questions, your honour. Ben Goldacre has this one wrapped up.
The BS Historian 