A small group of leftist rebels wearing ski masks and brandishing assault weapons renounced their guerrilla army’s four-decade-old insurgency in a gesture the government touted ahead of Sunday’s congressional elections. The 70-member La Gaitana company of the Revolutionary Armed Forces of Colombia, or FARC, handed over 63 weapons and a small aircraft Tuesday during a ceremony near Alvarado, a town 50 miles west of Bogota. Full Story