“I am for a free trade agreement with Peru, but oppose that of Colombia, until I am certain they are not killing union leaders. We must stop this kind of paramilitary activity,” he said.Obama called Venezuelan President Hugo Chávez “a threat, but a managable threat”. “We know for example he could’ve been involved in supporting the FARC, damaging a neighbor. That’s not the kind of neighbor we want,” he added.The Democrat does hope for direct diplomacy with Colombia’s neighbor.Obama hasn’t visited Latin America so far, but says he’s planning to before the November elections.