A CIA "video briefing" for President Reagan on the Chernobyl nuclear disaster, dated late April or early May 1986. Declassified and released 2 Nov 2011 at the "Ronald Reagan, Intelligence, and the End of the Cold War" symposium at the Reagan Presidential Library. From symposium notes: "This was the first time the Agency used videos on a regular basis to deliver intelligence to the policymaker, and this collection marks the first substantial release of such material in one of [the CIA's] historical collections."