On Iran-Saudi rift, Gulf Arab states tread with caution

By Tom Finn DOHA (Reuters) - Gulf Arab states rallied dutifully behind Saudi Arabia when it cut relations with Iran last week, recalling their ambassadors and cancelling flights to Tehran in solidarity with the oil-rich kingdom after its embassy in Iran was torched by protesters. The crisis erupted when Saudi Arabia executed a prominent Shi'ite cleric on Jan. 2 and Iranian protesters retaliated by storming and setting fire to the Saudi embassy in Tehran. Tensions in the Gulf have reached levels