Bob Dudley rescued BP from its Deepwater Horizon crisis. His successor may have an even bigger challenge

London (CNN Business)Bob Dudley, the American chief executive who rescued BP from its Deepwater Horizon disaster, is stepping down. “During his tenure [Dudley] has led the recovery from the Deepwater Horizon accident, rebuilt BP as a stronger, safer company and helped it re-earn its position as one of the leaders of the energy sector,” Lund added. Regarded as one of the worst oils spills in history, the Deepwater Horizon incident is expected to cost BP nearly $62 billion in litigation and clean-up costs. BP expects to be paying for the damage for another 15 years. Oil from the spill continues to leak into the Gulf of Mexico. BP’s shares have bounced 60% from a low hit in June 2010, but …