Source of our imports is of little relevance on overall oil costs in the global market. A decreasing supply just increases costs as more people are competing for less of a resource.
Nor was I saying it was. I was merely pointing out unlike what most people think, Saudi is not the #1 supplier.
My info might be a bit old. As of April
http://www.eia.doe.gov/pub/oil_gas/p...nt/import.html