This explains so much. And rather than my head exploding, it all really became clear. Like a fog lifting.
Taken from a public Picassa photo album of some wedding party that the Cheneys hosted at their home, the nefarious one has a set of Gulf-war themed Russian nesting dolls next to a stack of war art books. The nesting dolls? Oh, those are of the George H.W. Bush cabinet. [Gawker via here]