Can't vouch for the site at all, but it's the snopes link to the dismissal of this stupid idea once before
http://www.scribd.com/doc/13033400/Dismiss-Memorandum
aaaand here's the entire snopes article
http://www.snopes.com/politics/obama...ertificate.asp
But it's probably a cover up right? Conspiracy? Personally I think the lizard guy theory is pretty good...