This combo image of file photos shows the five main negotiators representing the Revolutionary Armed Forces of Colombia, FARC, in the peace talks with the Colombian government, from left: in a Sept. 4, 2012 file photo Marco Leon Calarca; in a Nov. 8, 2007 file photo Ivan Marquez; in a Sept. 4, 2012 file photo Ricardo Tellez; in a Jan. 13, 2002 file photo Simon Trinidad; and in a Sept. 4, 2012 file photo Andres Paris. A high-ranking member of the FARC revealed the names on Thursday, Sept. 13, 2012, to the Associated Press on condition of anonymity because he was not authorized to speak publicly ahead of a formal announcement. The talks start in Norway next month. (AP Photo/Files)
