Oil shortages in Europe and elsewhere in the world have resulted in price increases in the United States — where gasoline prices are at a ten year high. The nationwide average price of a gallon of unleaded regular is now nearly a-dollar-sixty — with prices far higher in some locations. The Presidential candidates have been addressing the issue. Democrat Al Gore today proposed tapping the government's emergency oil reserve as a means of lowering prices before the cold weather arrives. NPR's Madeleine Brand reports.