TheUnited States and Britain struck dozens of targets in Yemen on Saturday in response to repeated attacks on shipping by Iran-backed Houthi rebels that have disrupted global trade and put lives at risk. The joint air raids in Yemen come a day after a separate wave of unilateral American strikes against Iran-linked targets in Iraq and Syria that were carried out in response to the killing of three US soldiers in Jordan on January 28. It is the third time that British and American forces have jointly targeted the Houthis and the United States has also carried out a series of air raids against t…