Both crude oil benchmarks had slipped back to pre-invasion levels on Friday afternoon, dashing the predictions of some that the oil markets would see "apocalyptic" pricing. As moved into e on Thursday by land, air, and sea, crude oil prices shot up in an already volatile oil market. Fears that --the world's third-largest crude oil producer and exporter of 6-8 million barrels per day of crude oil and refined products--may find itself unable or unwilling to supply its usual customers with crude oil and...