Edition: U.S. / Global  THE STRUGGLE FOR IRAQ: INTELLIGENCE;
Powell's Case, a Year Later: Gaps in Picture of Iraq Arms  By
DOUGLAS JEHL and DAVID E. SANGER; Reporting for this article was
contributed by Dexter Filkins in Baghdad, and James Risen,
Richard W. Stevenson and Steven R. Weisman in Washington.
Published: February 1, 2004  A year ago this weekend, Secretary
of State Colin L. Powell holed up in a conference room next to
George J. Tenet's office at Central Intelligence Agency
headquarters, applying a critical eye to the satellite photos,
communications intercepts and reports that would form the basis
for the Bush administration's most comprehensive -- and
carefully worded -- public case about the urgent threat Iraq
posed to the world.  After several lengthy sessions, he appeared
in New York on Feb. 5, with Mr. Tenet, the director of central
intelligence, seated behind him, to tell the United Nations
Security Council that the evidence added up to ''facts'' and
''not assertions'' that Iraq had large stoc