China's subsidies for a handful of agricultural commodities were a new target of criticism in the latest annual U.S. government report on foreign trade barriers, but the document otherwise identified few new Chinese trade barriers and mainly rehashed a longstanding list of complaints. In its National Trade Estimate (NTE) report -- publicly released on April 1 -- the Office of the U.S. Trade Representative said it had grown “increasingly concerned about the effects of domestic support measures that China has...