States and cities need to promise less

This article is discussing the potential of the borrowing and debt from promises made (pension and health care) and the challenges and warnings to various governments.   There is one quick-telling visual of the map of the U.S. with the pension gap highlighted in colors for states where this gap is greater than 50% of annual revenues.  http://www.economist.com/news/leaders/21582258-it-not-just-detroit-american-cities-and-states-must-promise-less-or-face-disaster