The completion of the Doha trade round appeared as far away as ever at the weekend, when a gathering of trade ministers at the World Economic Forum in Davos descended into acrimony.

• 各国贸易部长周末在达沃斯世界经济论坛上的聚会，演变成一场互相的指责，令完成多哈回合贸易谈判的愿景显得遥不可及。