Why is this typeset in a proportional font rather than being typed on a typewriter? Remarkably unlikely for a draft letter in the 1950s. Text is authentic, but maybe image is of a reproduction? (Cite for text: https://books.google.com/books?id=7UXSMj3OF4oC&lpg=PA305&ots=xpcOWam9IV&dq=%22your%20telegram%20is%20not%20only%20not%20true%22&pg=PA305#v=onepage&q&f=false …)https://twitter.com/BeschlossDC/status/962339260887195648 …