There are two basic truths about the enormous deficits that the federal government will run in the coming years.
The first is that President Obama's agenda, ambitious as it may be, is responsible for only a sliver of the deficits, despite what many of his Republican critics are saying. The second is that Mr. Obama does not have a realistic plan for eliminating the deficit, despite what his advisers have suggested.
The New York Times analyzed Congressional Budget Office reports going back almost a decade, with the aim of understanding how the federal government came to be far deeper in debt than it has been since the years just after World War II. This debt will constrain the country's choices for years and could end up doing serious economic damage if foreign lenders become unwilling to finance it.
The accompanying chart is a nice visualization of the situation and how we got here.