When Pentagon favorites like Iraqi émigré Ahmed Chalabi plied U.S. intelligence with spurious "evidence" on WMD in Iraq, Mr. Clapper was in position to suppress the findings of any imagery analyst who might have the temerity to report, for example, that the Iraqi "chemical weapons facility" for which Mr. Chalabi provided the geographic coordinates was nothing of the kind. Mr. Clapper preferred to go by the Rumsfeldian dictum: "The absence of evidence is not evidence of absence." (It will be interesting to see if he tries that out on the president-elect Friday.)