Wed September 10, 2003 02:16 PM ET WASHINGTON (Reuters) - A top CIA expert on weapons of mass destruction, who became embroiled in controversy over whether the White House stretched evidence about Iraq's programs, said he planned to leave the agency in October. Alan Foley, who heads the Weapons Intelligence, Nonproliferation, and Arms Control Center, told colleagues in a note dated Aug. 29 that he had been "thinking about life after the agency for some time" and decided to leave after 26 years to enter the private sector. He alluded to this summer's finger-pointing between the Central Intelligence Agency and...