The title is a reference to Thomas Merton's Raids on the Unspeakable, regarding (according to Douglass) "a kind of systemic evil that includes such realities as the Holocaust, the Vietnam War, the nuclear arms race, and these assassinations", which Merton calls a "void" [REF].
The book highlights the Bay of Pigs Invasion as the Central Intelligence Agency's attempt to entrap Kennedy into a full-scale US invasion of Cuba.