WTO set to skip naming acting chief after U.S. push caused deadlock

World Trade Organization members are likely to refrain from appointing an interim director-general to succeed Roberto Azevedo when he steps down at the end of August, two sources following the process said on Wednesday, after Washington's insistence on a U.S. candidate caused a deadlock.Under the new proposal, instead of appointing one of four deputies to serve as interim chief until Azevedo's replacement is chosen later this year, those officials, from the United States, China, Germany and Nige