Four unanswered questions the new JFK files could shed light on 

The release of thousands of top secret government files today could be the moment that finally lays to rest many of the conspiracy theories that have swirled around President John F. Kennedy’s assassination. For five decades the shooting has spawned myriad myths and theories about what happened on that infamous day in Dallas, Texas, on 22 November 1963. Some are clearly farfetched, such as the idea Mr Kennedy was murdered by a poisoned dart from a bystander seen holding an u