The U.S. military is updating its war plan for Iran, a senior officer said yesterday, but he called the planning routine and said pressure on Tehran to curb a nuclear weapons program remains a diplomatic rather than military effort. "We are in that process, that normal process, of updating our war plans," said Lt. Gen. Lance Smith, deputy commander of the U.S. Central Command, which is responsible for U.S. forces across the Middle East, Central Asia and parts of North Africa. "We try to keep them current, particularly if . . . our region is active," he said in response...