If Saudi Oil Minister Ali al Naimi wants to stop conspiracy theories spreading before a crucial OPEC meeting next week, it's too late. Naimi's intervention last week after a two-month silence failed to address a question energy markets want answered: is the OPEC leader no longer willing to defend oil prices which have dived by a third to their lowest since 2010, and is it pursuing new commercial or even geopolitical goals? Despite Naimi's insistence that Riyadh wants stable markets, diplomatic and market sources say Saudi officials told recent private briefings that the kingdom can live for some time with current, or ... (full story)