Benchmark oil prices are soaring as war in the Middle East roils trading flows, but the rally is uneven across the globe, sparking some of the largest gaps between US crude and the rest of the world in years. Benchmark oil prices are soaring as war in the Middle East roils trading flows, but the rally is uneven across the globe, sparking some of the largest gaps between US crude and the rest of the world in years. West Texas Intermediate was trading at a ... [258 chars]