FROM INSIDE OBAMA’S SITUATION ROOM . . . THE CRITICAL MOMENTS IN THE COVERT WAR AGAINST IRAN, THE STRUGGLES TO DEAL WITH A RECALCITRANT PAKISTAN AND ITS FAST-GROWING NUCLEAR ARSENAL, THE TENSIONS WITH THE AMERICAN MILITARY OVER AFGHANISTAN AND WITH ALLIES SWEPT UP IN THE CHAOS OF THE ARAB SPRINGThree and a half years …