People celebrate as they follow a broadcast on screen the announcement from Havana, Cuba, that delegates of Colombia's government and leaders of the Revolutionary Armed Forces of Colombia reached a peace accord to end their half-century civil war, in Bogota, Colombia, Wednesday, Aug. 24, 2016. The government's accord with the Revolutionary Armed Forces of Colombia must still be ratified by voters in a plebiscite in order to take effect. (AP Photo/Fernando Vergara) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
People celebrate in a park as they listen to the announcement from Havana, Cuba, that delegates of Colombia's government and leaders of the Revolutionary Armed Forces of Colombia reached a peace accord to end their half-century civil war, in Bogota, Colombia, Wednesday, Aug. 24, 2016. The government's accord with the Revolutionary Armed Forces of Colombia must still be ratified by voters in a plebiscite in order to take effect. (AP Photo/Fernando Vergara)
Colombia's President Juan Manuel Santos holds the peace deal with rebels of the Revolutionary Armed Forces of Colombia, FARC after delivering it to Congress in Bogota, Colombia, Thursday, Aug. 25, 2016. Santos is moving fast to hold a national referendum on a peace deal meant to end a half-century conflict with leftist rebels, delivering the final text of the deal to Congress and declaring a definitive ceasefire against the guerrillas.(AP Photo/Felipe Caicedo) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
People celebrate the announcement from Havana, Cuba, that delegates of Colombia's government and leaders of the Revolutionary Armed Forces of Colombia reached a peace accord to end their half-century civil war, in Bogota, Colombia, Wednesday, Aug. 24, 2016. The government's accord with the Revolutionary Armed Forces of Colombia must still be ratified by voters in a plebiscite in order to take effect. (AP Photo/Fernando Vergara) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Colombia's President Juan Manuel Santos, front, second from right, speaks after delivering to Congress the peace deal with rebels of the Revolutionary Armed Forces of Colombia, FARC, in Bogota, Colombia, Thursday, Aug. 25, 2016. Santos is moving fast to hold a national referendum on a peace deal meant to end a half-century conflict with leftist rebels, delivering the final text of the deal on Thursday to Congress and declaring a definitive ceasefire against the guerrillas.(AP Photo/Felipe Caicedo) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
People celebrate as they follow a broadcast on screen the announcement from Havana, Cuba, that delegates of Colombia's government and leaders of the Revolutionary Armed Forces of Colombia reached a peace accord to end their half-century civil war, in Bogota, Colombia, Wednesday, Aug. 24, 2016. The government's accord with the Revolutionary Armed Forces of Colombia must still be ratified by voters in a plebiscite in order to take effect. (AP Photo/Fernando Vergara) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Colombia's President Juan Manuel Santos hand-carries to Congress the peace deal with rebels of the Revolutionary Armed Forces of Colombia, FARC, in Bogota, Colombia, Thursday, Aug. 25, 2016. Santos is moving fast to hold a national referendum on a peace deal meant to end a half-century conflict with leftist rebels, delivering the final text of the deal on Thursday to Congress and declaring a definitive ceasefire against the guerrillas.(AP Photo/Felipe Caicedo) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Colombia's President Juan Manuel Santos hand-carries to Congress the peace deal with rebels of the Revolutionary Armed Forces of Colombia, FARC, in Bogota, Colombia, Thursday, Aug. 25, 2016. Santos is moving fast to hold a national referendum on a peace deal meant to end a half-century conflict with leftist rebels, delivering the final text of the deal on Thursday to Congress and declaring a definitive ceasefire against the guerrillas.(AP Photo/Felipe Caicedo) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
FILE- In this April 9, 1948, file photo, Jorge Eliecer Gaitan lies dying in the Colombian Capital of Bogoto after being shot. Others are unidentified. The 1948 assassination of populist firebrand Jorge Eliecer Gaitan sparked the political bloodletting known as "La Violencia," or "The Violence." The Revolutionary Armed Forces of Colombia are preparing for a peace deal in Columbia's half-century guerrilla conflict which has roots in the assassination. (AP Photo, File) (AP1948)
In this Aug. 12, 2016 photo, rebels of the 48th Front of the Revolutionary Armed Forces of Colombia walk on a makeshift footbridge in the southern jungles of Putumayo, Colombia. With the peace accords about to signed between the FARC and the governemt, gone are the days when they had to change camp every few days for fear of being stunned in their sleep by bombs falling from the skies. (AP Photo/Fernando Vergara)
People celebrate in a park as they listen to the announcement from Havana, Cuba, that delegates of Colombia's government and leaders of the Revolutionary Armed Forces of Colombia reached a peace accord to end their half-century civil war, in Bogota, Colombia, Wednesday, Aug. 24, 2016. The government's accord with the Revolutionary Armed Forces of Colombia must still be ratified by voters in a plebiscite in order to take effect. (AP Photo/Fernando Vergara)
Humberto de la Calle, center, head of Colombia's government peace negotiation team, accompanied by part of his team, waves goodbye to the journalists after a press conference in Havana, Cuba, Thursday, Aug. 25, 2016. De la Calle told a news conference Thursday that he's not yet sure when the government and the Revolutionary Armed Forces of Colombia will formally sign the deal to end more than a half-century of conflict. (AP Photo/ Ramon Espinosa) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
People celebrate the announcement from Havana, Cuba, that delegates of Colombia's government and leaders of the Revolutionary Armed Forces of Colombia reached a peace accord to end their half-century civil war, in Bogota, Colombia, Wednesday, Aug. 24, 2016. The government's accord with the Revolutionary Armed Forces of Colombia must still be ratified by voters in a plebiscite in order to take effect. (AP Photo/Fernando Vergara) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Humberto de la Calle, center, head of Colombia's government peace negotiation team, accompanied by part of his team, waves goodbye to the journalists after a press conference in Havana, Cuba, Thursday, Aug. 25, 2016. De la Calle told a news conference Thursday that he's not yet sure when the government and the Revolutionary Armed Forces of Colombia will formally sign the deal to end more than a half-century of conflict. (AP Photo/ Ramon Espinosa) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Senate President Mauricio Lizcano receives from Colombia's President Juan Manuel Santos, front right, the peace deal with rebels of the Revolutionary Armed Forces of Colombia, FARC, in Bogota, Colombia, Thursday, Aug. 25, 2016. Santos is moving fast to hold a national referendum on a peace deal meant to end a half-century conflict with leftist rebels, delivering the final text of the deal on Thursday to Congress and declaring a definitive ceasefire against the guerrillas.(AP Photo/Felipe Caicedo) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
In this Aug. 12, 2016 photo, rebels of the 48th Front of the Revolutionary Armed Forces of Colombia walk on a makeshift footbridge in the southern jungles of Putumayo, Colombia. With the peace accords about to signed between the FARC and the governemt, gone are the days when they had to change camp every few days for fear of being stunned in their sleep by bombs falling from the skies. (AP Photo/Fernando Vergara)