QUOTE : the Bagram conference, the idea was that Saleh and Kayani would exchange details about Al Qaeda and its allies. Detainees in N.D.S. custody had reported taking instructions in Mansehra, a mountain valley town in western Pakistan. Some even suggested Bin Laden might be hiding there. Saleh briefed Kayani on his intelligence. “Which house?” the Pakistani spy chief asked. “You’ll have to do the last one hundred yards yourself,” Saleh answered. “This is unbelievable,” Kayani said, meaning the N.D.S. reporting was not credible. Saleh said he would offer access to his source if Kayani agreed to work with the C.I.A. on the matter. “Are you telling me you are spying in my country?” “Yes.