Eat your hearts out, Pablo Escobar, Joaquín ‘El Chapo’ Guzman and Nemesio ‘El Mencho’ Oseguera Cervantes. The richest cartel by far is still the Organisation of Petroleum Exporting Countries (Opec), and its leaders also get to die in bed. But one of its oldest members, the United Arab Emirates (UAE), has just quit. No notice, […]