Gorelick knows the true reason for the "wall"...
Everthing Clinton did was to protect Clinton. I suggest that Clinton wanted to restrict info sharing between FBI and CIA in order to protect investigations into potential criminal cases regarding his actions and the actions of his close friends. The "gag order" was Clinton's way to limit investigation into his affairs...why else would agents be threatened with their careers?
Perhaps Freepers can connect the dots and recall what investigations into Clinton would have been advanced had the FBI and CIA shared info. (Chinagate for one?)
It was always about Clinton.