I think I found why Jack brought it up today:
UK Daily Mail: Top secret JFK assassination files are FINALLY released: Lee Harvey Oswald was in contact with member of KGB two months before shooting and anonymous phone calls said Russia was behind it, trove of 1,500 documents reveal
https://freerepublic.com/focus/f-news/4021476/posts
Oswald had wanted to move to Cuba but they wouldn’t accept him.