OPEC's deal to cut oil production could end earlier than expected

Thomson Reuters OPEC and some non-OPEC produces like Russia have managed to reduce oil production for the last year in an effort to clear the global supply glut. But geopolitical and economic factors ranging from protests in Iran to an increase in US shale production could derail the deal. OPEC and its Russia-led non-OPEC allies in the deal managed to stay together for a full year of high compliance with the oil production cuts and have agreed to extend the pact for a second year to the end of 2...