"Here it is up front: intelligence is, with thanks to Constantine FitzGibbon, knowledge of the enemy. No sooner is it written than the readers' rejoinders flash in the mind, form on the lips, strike the air: No, it's wrong, inadequate, misleading, or impolitic; or, So, what else is new? Rest assured, dear rejoinder-ers, that these objections will be handled long before the last page is reached... so many of those intelligencers who have tried to define intelligence have grievously botched the job. Finally, unless intelligence is properly understood, the country's intelligence agencies, faced with changing targets and priorities, may lose sight of their proper task."