In the ancient calculus of energy and power, a broken pipeline in Saudi Arabia reminds the world how thin the margin is between stability and disruption. On Tuesday, crude oil prices climbed as traders absorbed news of a significant Saudi pipeline outage, compounded by fresh attacks on regional energy infrastructure that cast doubt on the reliability of Middle Eastern supply. The kingdom, one of the world's most consequential oil exporters, now faces both a technical failure and a security threat simultaneously — a convergence that markets, and the people they ultimately serve, cannot easily i