Reuters: BP dampened hopes that it could plug its leaking Gulf of Mexico well sooner than forecast on Thursday, while a battle between the U.S. government and the oil industry over a deepwater drilling ban heads to court. BP stuck to its August target to complete a relief well to halt the worst oil spill in U.S. history, after a press report raised hopes the company could stem the 80-day-old leak sooner. The head of BP’s Gulf Coast restoration unit, Bob Dudley, told the Wall Street …