HAVANA, CUBA - SEPTEMBER 23: Juan Manuel Santos, president of Colombia (L), Raul Castro, President of Cuba (C) and Rodrigo Londoño, known as "Timoshenko", top leader of the Revolutionary Armed Forces of Colombia (FARC) , smile during a meeting about transitional justice agreement on September 23, 2015 in Havana, Cuba. The agreement contemplates an amnesty for political crimes, the creation of a special court for peace, and states that the guerrillas must surrender their weapons within 60 days after signing the final agreement. (Photo by Ernesto Mastrascusa/LatinContent via Getty Images)
