The oil tanker SCF Byrranga, which was renamed the United Kalavrvta in March, is seen near the Isle of Arran, Scotland. The tanker is currently off the coast of Texas, carrying $100 million worth of Kurdish crude oil. (Tom Duncan/Reuters) Sixty miles off the coast of Texas sits a crude-oil tanker fully loaded with years of antagonism between the Kurdish region of Iraq and the central government in Baghdad. The United Kalavrvta, a tanker the length of three football fields, is carrying about 1 million barrels of crude oil from the Kurdish region of Iraq. It set sail for Galveston, but it never got there. The central government of Iraq, despite recent military setbacks, dispatched its American lawyers to do battle in the federal court in southern Texas, where a judge ruled that the tanker’s cargo, worth about $100 million, should be seized if it came within Texas state waters. […]