Brussels, 16/01/2009 (Agence Europe) - On Thursday 15 January, the EU replied to the United States' decision to increase customs duties on some European products, presented as toughened sanctions in the transatlantic dispute over the EU ban on importing hormone-treated beef, by threatening to refer the matter to the WTO. Previously, the US Trade Representative Susan Schwab announced changes in American sanctions against some European exports to force the EU to open its market to American...