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The ultimate viewer's guide

Senate Select Committee Chairman Daniel Inouye has one. So does Independent Counsel Lawrence Walsh. So, too, does just about every journalist, congressional staffer and attorney investigating the labyrinthine intricacies of the Iran-contra scandal. Known simply as the Chron, the 678-page paperback (Warner Books; $5.95) has become the ultimate viewer's guide to the hearings.

Subtitled The Documented Day-by-Day Account of the Secret Military Assistance to Iran and the Contras, The Chronology is the maiden effort of the National Security Archive, a nonprofit institute opened in October by former Washington Post Reporter Scott Armstrong. Using the Freedom of Information Act to obtain Government...