Oil prices surged nearly $US2 a barrel Wednesday following two bombings in the capital of Saudi Arabia and after the US government reported that winter fuel supplies shrank last week.Light crude for February delivery was up $US1.87 at $US43.64 per barrel on the New York Mercantile Exchange. In London, Brent crude fell 90 cents to $US39.17 per barrel on the International Petroleum Exchange. While down considerably from the October peak above $US55 a barrel, crude futures are 33 per cent more expensive than a year ago, contributing to higher prices for gasoline, heating oil and other fuels. Fears of...