As it stands now, the document release this month will be a logistical nightmare, with the public suddenly flooded with a huge online library of documents—tens of thousands in total—that will be, at first, mostly incomprehensible even to experienced students of the assassination. The National Archives, abandoning its plans to release the documents in batches over the course of several months, said this week that it will instead release everything at once – all on the same day – sometime between now and the deadline on Oct. 26. ... Many are known to involve a mysterious chapter in the history...