The OPEC flag and the OPEC logo are seen before a news conference in Vienna, Austria, October 24, 2016. An OPEC technical committee is discussing a possible six-month duration for an oil output-limiting agreement, a Nigerian OPEC delegate said on Tuesday. “We’re talking about six months,” delegate Ibrahim Waya told reporters in Vienna. “The likelihood is that everybody will be on board by the end of today.” (Reporting by Alex Lawler; Editing by Dale Hudson)