FILE - In this Nov. 27, 2008 file photo, South Korean customers look at U.S. beef sold at a supermarket in Seoul, South Korea. The U.S. agricultural trade surplus is expected to top $42 billion this year. And new free trade agreements with South Korea, Colombia and Panama are expected to boost farm exports by another $2.3 billion, according to the U.S. Department of Agriculture. (AP Photo/Lee Jin-man, File)