three units totaling about 6,000 fighters -- after the Colombian government threatened to kick them out of national peace talks. "The Colombians are going ahead with it no matter what, whether we give them money or not," a congressional source said. The United States provides Colombia with about $700 million in mainly military aid each year, largely to combat the world's biggest cocaine trade. It has said in the past that it is "skeptical" about the AUC's desire for peace and has insisted it wants to extradite top AUC leaders for cocaine trafficking.