 Complete the following phrase:  In 1997, Cohen co-founded the Project for the New American Century PNAC, which was a center for prominent neoconservatives. He has been a member of the Defense Policy Board Advisory Committee, a committee of civilians and retired military officers that the U.S. Secretary of Defense may call upon for advice, that was instituted during the administration of President George W. Bush. He was put on the board after acquaintance Richard Perle put forward his name. Cohen has referred to the War on Terrorism as World War IV. In the run-up to the 