Reuters: A U.S. judge on Wednesday refused a request by environmental groups to reinstate the Obama administration’s original moratorium on deepwater drilling set in the wake of the BP Plc oil spill. Defenders of Wildlife and other groups requested that U.S. District Judge Martin Feldman lift his injunction blocking the moratorium because he had owned stock in several oil and offshore energy companies, arguing that showed he should be disqualified from the case. Feldman had granted an …