text: Colombia militias handing over guns CAMPO DOS, Colombia -- As Javier Alfonso Vela watched 1,425 paramilitary soldiers turn in their weapons under a blazing sun Friday in Colombia's largest demobilization of combatants, the missionary wondered aloud whether disarming right-wing militias would be a first step to ending his country's 40-year-old conflict, or a dangerous opening for the return of leftist guerrillas to this provincial outpost ...