Colombians will choose on Sunday between two men whose lives have been very differently shaped by the militias, and whose visions for the country are poles apart Colombians will choose on Sunday between two men whose lives have been very differently shaped by the militias, and whose visions for the country are poles apart W hoever wins Sunday’s presidential runoff vote in Colombia , the country’s next leader will have a personal history intertwined with one of the criminal forces at the heart