This week marks the 50th anniversary of the Cuban Missile Crisis, when the US and the Soviet Union were on the brink of nuclear war over the installation of Soviet missiles in Cuba.
Polls showed Salvador Sanchez Ceren, a former Marxist guerrilla, 10 to 18 percentage points ahead of his conservative opponent as voting began in El Salvador's presidential runoff.
Results: 1 of 2
© The Christian Science Monitor. All Rights Reserved.