Ivan Marquez, left, chief negotiator for Colombia's Revolutionary Armed Forces of Colombia, or FARC, speaks to journalists at the continuation of peace talks with Colombia's government,

 

              Ivan Marquez, left, chief negotiator for Colombia
Ivan Marquez, left, chief negotiator for Colombia's Revolutionary Armed Forces of Colombia, or FARC, speaks to journalists at the continuation of peace talks with Colombia's government, as fellow FARC member Jesus Santrich, right, looks on in Havana, Cuba, Monday, Jan. 14, 2013. Colombia's main rebel group says it will end its unilateral cease-fire this weekend despite ongoing peace talks. The rebels' cease-fire ends Sunday. Marquez also outlined specific measures for agrarian reform, one of the main points of contention between the sides. (AP Photo/Franklin Reyes)