BAGHDAD — With a vast office located at the top of a tower fiercely guarded by the army and a bell to call the staff, Khalid Hamza Abbas is obviously a powerful character, decked out in an impeccable suit. Abbas runs the Basra Oil Company (BOC), the national company responsible for the exploitation of the oil fields in the province of Basra, in the very south of Iraq, from which four million barrels of crude oil flow daily. It's the equivalent of 4% of...
