Milestones

Ten years ago: CIA Director William J. Casey died at age 74. Democratic presidential candidate Gary Hart held a news conference in Hanover, N.H., in which he denied ever having an affair with Miami model Donna Rice, but declined to say whether he’d ever committed adultery.

Five years ago: Former Soviet leader Mikhail S. Gorbachev delivered a speech at Westminster College in Fulton, Mo., where Winston Churchill had spoken of the Iron Curtain; Gorbachev said the world was still divided, between north and south and rich and poor.

One year ago: The body of former CIA director William E. Colby was found on a riverbank near his southern Maryland vacation home, eight days after he’d disappeared.