FARC upbeat on peace talks despite differences

Marco Leon Calarca, spokesman and member of the Revolutionary Armed Forces of Colombia (FARC) speaks with Associated Press during an interview in Havana, Cuba, Friday, Sept 7, 2012. The spokesman for Colombia's main leftist guerrilla army says President Juan Manuel Santos' rejection of a cease-fire will not derail peace talks next month. (AP Photo/Ramon Espinosa)After nearly five decades of violent struggle and failed attempts at detente, there is plenty of mistrust and bad blood between Colombia's government and the country's largest leftist guerrilla army.