Whether or not typewriters in use at the time Killian reportedly wrote the memos could produce such superscripts is an issue in the authenticity debate. Some experts said the typeface used in the documents was Times New Roman, a typeface they said was not available in the 1970s. But CBS reported that the owner of the company that distributes that type style, which it did not identify, said it had been available since 1931. [...] Independent document examiner Sandra Ramsey Lines said the memos looked like they had been produced on a computer using Microsoft Word software. Lines, a document...