From what I have read, they actually couldn't have been produced by this typewriter because it didn't have proportional font spacing unique to every character, only about four different widths. Modern word processors have this feature and Hugh Hewitt's blog today includes a computer science professor explaining the difference. It is really interesting.
I think that pressure needs to be put on CBS to produce the originals and if they cannot, they have some 'splainin to do. An entire news editorial staff should not come to the conclusion that the memos are authentic without the original documents. They believed what they wanted to.
On Hannity today when Killian's son was interviewed, he said when CBS spoke to him a couple of weeks ago, he gave them the name of someone to contact that knew his father well and worked with him and the interviewer said that they did not want to contact him because he is "too pro-Bush". How's that for unbiased.
For me the single item is the way Killian's name is written on the form.
In know good samples, his name is written...
"Jerry B. Killian, Lt. Colonel, TexANG"
On the CBS documents, his name is written...
Jerry B. Killian
Lt. Colonel
On two lines with no TexANG
See the samples here... http://shapeofdays.typepad.com/the_shape_of_days/2004/09/the_signatures.html