The Obama administration said on Friday it is essential that its ban on deepwater oil drilling be restored after a court struck it down and promised a revised moratorium would be announced soon. Interior Secretary Ken Salazar told reporters in California he will make an announcement on a new ban on deepwater drilling in the "next several days." His comments came a day after a federal court refused to reinstate the six-month ban on deepwater drilling below 500 feet, which the Obama administration imposed after BP Plc's massive oil spill in the Gulf of Mexico. The U.S. Court of Appeals...