USTR’s negotiating team for the U.S.-Chile Free Trade Agreement poses for a photo outside of the Eisenhower Executive Office Building in Washington, D.C. (USTR File Photo)

From left, El Salavador's Eduardo Ayala, Costa Rica's Alberto Trejos, D.R.'s Sonia Guzman, USTR Zoellick, Honduras' Norman Garcia, Nicaragua's Mario Arana, and Guatemala's Eduardo Sperisen. (AP Photo/Evan Vucci)