Could a hot war with Iran be about to start? Israel could strike against Iran's nuclear facilities; Syria is in revolt; the world is on edge. Edward Stourton probes the West's options.
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Could a battle over theology bring an end to Iran's Islamic Republic?
Allan Urry investigates claims that Iran has been stepping up its support for terrorism.
With diplomatic relations at a new low, does Iran still have influence in the UK?
Mukul Devichand asks what has President Obama actually achieved on the world stage?
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