One piece the government is missing, is Raj Rajaratnam, who could provide testimony saying what specifically went down with Mr. Gupta.

FORBES: Rajat Gupta Trial Will Be Government's Test of Mosaic Theory

There is one missing piece of the jigsaw.

BBC: The beginnings of 'financial repression'?

In essence, elites are always missing one vital piece of information: what it is like to be someone who is not in the elite.

FORBES: Why Some Elites Know Not What They Run