<p>Is there anything left to say about the assassination of President John F Kennedy? Hell, yes!<br>The subject of nearly 1000 books, half a dozen journals, two official inquiries, several million pages of declassified documents, dozens of TV documentaries and hundreds of Websites, the Kennedy assassination remains both the greatest whodunit of the post-World War Two era and the best route into recent American history.<br>In Who Shot JFK? Robin R...