Tehran-backed group said to fear assassinations, divisions in Yemen and possible weapons shortages; restraint may be coordinated with Iran and change if regime gets more desperate CAIRO, Egypt (AP) — Yemen’s Iran-backed Houthi rebels have so far remained on the sidelines as the Iran war widens across the Middle East, raising questions about why — and when the battle-hardened group might join the fight. Iran has retaliated agai... [7644 chars]