Director of Human Rights Watch's Americas division Jose Miguel Vivanco answers a question during a news conference in Bogota February 3, 2010. U.S. Congress will likely pass a free trade deal with Colombia if the Andean country confronts rising violence by former paramilitary leaders who have formed new crime gangs, Washington-based Human Rights Watch said. REUTERS/John Vizcaino (COLOMBIA - Tags: POLITICS CIVIL UNREST BUSINESS)