Check out Wizbang for more info, but I'll catch you up here. There's a guy who claims to have refuted the forgery aspect. Wizbang thinks he's a "liar, a fraud, and a charlatan", and I'll try to explain why. You can see it all in process here. Note that this is 'developing' so forgive me if I'm a little hasty. On page 9 of the PDF, he says that he was able to reproduce the letters exactly, using a typewriter. Here's a sample: However, on his webserver, is the following PSD file, which shows what looks like the above, but...