BP chief executive Dudley, on screen, looking ‘optimistic’ Friday about a decision on the deal with Rosneft. BP remains “optimistic” about agreeing on a share swap with Rosneft as the Russian producer draws out a decision before a May 16 deadline. Rosneft is still weighing a proposal to replace BP in an Arctic exploration deal with the British company’s local venture, TNK-BP, and proceed with […]