Andrew L. Yarrow, the author of Forgive Us Our Debts and several other books is a public policy professional, historian, and former New York Times reporter. Every nation, throughout history, has sometimes spent more than it takes in. Debt is not always bad. The United States went deeply into debt to fight World War II and in America, individuals, families, and businesses go into debt to pay for a college education, buy a house, or invest in research, buildings, or…