The dramatic replacement of Libya’s oil chief may help drive deals and revive the OPEC member’s beleaguered energy sector, but a fragmented political picture still leaves numerous hurdles for international firms to negotiate. Oil Minister Mohamed Oun was suspended this week as a government agency investigates alleged violations including “circumventing the law and wasting public money.” Within hours, a replacement was named from within the board of the state-run National Oil Corp., which has frequently been at loggerheads with the ministry on policy. Oun has denied any wrongdoing and said the probe should be ... (full story)