One is by rail; two is by sea The United States must prepare for the inevitable day when fuel oil supplies run short. If the White House won't lead, the states should. The Roanoke Times Gov.-elect Tim Kaine's transportation listening tour has brought out the rail enthusiasts along the congested Interstate 81 corridor. The need for massive improvements, including dedicated truck lanes and expensive tolls, could be avoided if only truck traffic were diverted off the highways and onto the railroads, chants the rising chorus of rail enthusiasts. They have a point. But making the case on congestion alone won't...