in this regard , the pharm policy magazine, based on the documents of the central intelligence agency of the united states, says that the united states knew that iraq used chemical weapons in the war with iran. he gives intelligence to saddam hussein during the war, the americans gave the most important help, which is intelligence . the aerial maps of that day were not like today . there were not so many facilities at the disposal of the americans. they leave continuously and consecutively. this is certain. americans are helping like that. the deputy director of national security of george washington university is with us from washington, dc. mr. beren, thank you for accepting our invitation. i want to ask you this. it is clear from these documents that the americans from the first years of the war iran and iraq were aware that chemical weapons were being used by saddam's government. i want to ask the reaction they gave in public gatherings. what is the difference in the documents? i think that the us tried to keep this knowledge of the iraqis' use of chemical weapons a secret and not