Oil prices turn negative on worries over OPEC output cut

By Scott DiSavino NEW YORK (Reuters) - Oil turned negative in volatile trade on Tuesday on worries Iran and Iraq were not ready to agree on an OPEC output freeze after prices earlier rose to the highest level this month on reports cartel members had overcome their internal disputes. Analysts said the market will remain sensitive to comments from officials attending a technical meeting of the Organization of the Petroleum Exporting Countries (OPEC), which was trying to hammer out the details of a