The Obama administration is engaged in an intense effort to open the Chinese beef market in which animal traceability is the last remaining issue in reaching an agreement to lift the ban on U.S. beef imposed after the outbreak of bovine spongiform encephalopathy (BSE), U.S. Agriculture Department officials said this week. USDA and USTR are working together on the negotiations. “In the time we have been looking at this, I haven't seen more energy devoted to this issue as there...