U.S. Trade Representative Ron Kirk (R) shakes hands with Mexico's Economy Minister Gerardo Ruiz during a news conference in Mexico City, February 9, 2010. Mexico, faced with low sugar output this year, will look at opening more sugar import quotas after the current harvest finishes in May ensure stability in local prices, Economy Minister Ruiz said on Tuesday. REUTERS/Henry Romero (MEXICO - Tags: POLITICS BUSINESS)