When a Nicaraguan soldier downed an American plane carrying arms to “Contra” guerrillas on October 5, 1986, a tightly held U.S. clandestine program was exposed. A month later, reports surfaced that Washington had beem covertly selling arms to Iran in exchange for help freeing hostages in Beirut. The profits from the arms sales were going to support the Contras, despite an explicit ban by Congress. In his book Iran-Contra, Malcolm Byrne describes the details of the confusing scandal that raised the prospect of Presidential impeachment. A book signing will follow the program.