Politics, Geopolitics & Conflict Iran seized two foreign-crewed oil tankers in the Persian Gulf this week, taking the crews into custody and accusing the vessels of carrying smuggled fuel. The operation was carried out by the Islamic Revolutionary Guard Corps near Farsi Island, an area Iran routinely uses to assert control over shipping lanes. The seizures came just before U.S. and Iranian officials are due to meet in Oman on Friday, for talks that remain loosely defined. On the water, Iran is reminding everyone that it can raise costs and…