Britain was weighing its next moves in the Gulf tanker crisis on Sunday, with few good options apparent as a recording emerged showing that the Iranian military defied a British warship when it boarded and seized a ship three days ago. {video} Little clue has been given by Britain on how it plans to respond after Iranian Revolutionary Guards rappelled from helicopters and seized the Stena Impero in the Strait of Hormuz on Friday in apparent retaliation for the British capture of an Iranian tanker two weeks earlier. Footage obtained by Reuters from an Iranian news agency on Sunday showed the tanker docked in an ... (full story)