Oil steadies on dim OPEC demand outlook, pares gains from Gulf of Mexico storm

NEW YORK (Reuters) - Oil prices steadied on Thursday as OPEC forecast slower demand for its crude next year, with crude futures easing from their highest in more than a month after U.S. producers cut nearly a third of their output in the Gulf of Mexico ahead of what could be one of the first major storms of the Atlantic hurricane.Brent crude futures fell 23 cents to $66.78 a barrel by 12:59 p.m. EDT (1659 GMT). During the session, they hit their highest since May 30 at $67.65 a barrel.U.S. West..