OPEC’s delivery of its latest oil-production cutbacks, while strong overall, was undermined by its habitual laggards. The Organization of Petroleum Exporting Countries implemented three-quarters of the cuts pledged in May to re-balance a global market upended by the coronavirus, according to a Bloomberg survey. Yet performance was marred by Iraq and Nigeria, who executed less than half of their agreed reduction. The cartel and its partners, who make up a 23-nation alliance known as OPEC+, promised to collectively curb output by a record 9.7 million barrels a day in May and June amid an unprecedented collapse in fuel ... (full story)