Rizk and Machol found a similarly wide range for the valuations for health impacts by fuel type: 19 to 45 cents per kilowatt-hour for coal, 8 to 19 cents per kilowatt-hour for oil, and 1 to 2 cents per kilowatt-hour for natural gas.
After capping off a 14-hour day with an outdoor rally at Clemson University on Wednesday, McCain -- known to eat just about whatever type of foodstuff that makes it way aboard the bus -- barreled his way toward the back with a couple of fast-food hamburgers in hand, shouting for aides to bring some back for the press corps.