Soaring oil prices have pushed UK inflation to a five-month high. Consumer prices rose 3.1% in the year to August. Motor fuel prices rose nearly a quarter, with petrol rising to 161.3p per litre and diesel hitting 181.8p. Brent crude is back above $100 a barrel. Trading at $108 as of Wednesday, it has risen 78% since the start of the year.While there is no end in sight to America's war with Iran, until recently the White House had seemed to be gaining the upper hand in the economic battle. Despi