The political consensus in the United States today is that the nation avoid deficit spending. But as virtuous and unassailable as that goal sounds, it has fallacies and dangers. In a lucid, nontechnical writing style, Benavie shows that deficits can be either good or bad and explains how to tell the difference. Deficits, or government borrowing, can be beneficial or harmful depending on what the government does with the money. Preventing such borrowing,...