Agence France-Presse: Engineers hoped Monday to make more headway in their bid to contain a massive oil spill in the Gulf of Mexico after energy giant BP announced it was now capturing about half of the oil gushing from its ruptured well. Amid the largest environmental disaster in US history, BP’s chief executive Tony Hayward said a cap fitted on the leaking pipe a mile (1,600 meters) down on the sea bed appeared to be working. “As we speak, the containment cap is producing around 10,000 barrels of …