Slate dodges the JFK bullet

Slate's David Greenberg is one of those historians who prefers to discuss JFK theories rather than deal with JFK  facts. In his recent Slate piece, The plot to link JFK's death and Watergate, (republished from 2003), Greenberg has this to say:

Elaborate speculations about Kennedy's murder had begun, of course, earlier—almost from the moment he was shot. …