Imagine there's a virus living inside you. This virus is harmless. Most of the time. But then, something causes it to change and it could kill you unless you take one dose of a powerful drug. Now imagine there is a critical shortage of this drug. This is the scary scenario at the heart of the debut novel by Hanover resident and Dartmouth professor Charles Wheelan. It's called "The Rationing," but "The Rationing" isn't a book about a disease. It's a political satire about how the United States