Have you seen the Dalhousie University analysis of the plagiarism of Fay Cohen's work? Pirate Ballerina has it.
http://www.pirateballerina.com/blog/entry.php?id=98
Yeah, the pirate ballerina site has a lot of good info on Churchill, including how his resume changed in regards to his service in Vietnam. He went from being a battalion clerk, in charge of writing the monthly battalion newsletter to being a MAC-V Recondo-trained ranger.