Report shows items misidentified, oven temperature too high - OAK RIDGE - A federal spokesman confirmed that Oak Ridge workers overcooked some nuclear warhead components during a drying process to such an extent that the parts could no longer be "used as intended." Beyond that, the government isn't saying much.The incident at the Y-12 National Security Complex was revealed in a June 20 report by staff of the Defense Nuclear Facilities Safety Board.The timing was about a month after the Oak Ridge plant received approval to restart production work on W76 warheads, which had been delayed for more than a...