Oil steadies as market assesses US-Iran talks, demand signals

LONDON, May 20 (Reuters): Oil prices steadied on Tuesday due to uncertainty in US-Iran negotiations and Russia-Ukraine peace talks, while new government data delivered a cautious outlook for top crude-importer China's economy.Brent futures slipped 25 cents, or around 0.4 per cent, to $65.28 a barrel by 1222 GMT.June US West...