With oil surging to $120 a barrel in London as the Libyan revolt rocked markets, gasoline prices in the San Francisco Bay Area jumped to $3.99 for premium at several stations in the area. Unleaded soared to $3.79, an increase of $.29 in just one week. The prices marked a new high for the month of February, and are the highest February price since the federal government began keeping track of the numbers in 1990. The hostilities in Libya spurred the surge in prices, and the announcement that Saudi Arabia would make up any shortfall in Mideast production as result...