Amid all the blaring headlines coming out of Washington, here’s a piece of news that is getting far too little attention: The US is on course for fiscal breakdown. That’s the unambiguous message from the Congressional Budget Office’s newly updated long-term projections. Unless Congress changes course, there’ll be a reckoning, and it will be grim. As the CBO details, deficit spending is more out of control than ever. Both parties share the blame, as do both ends of Pennsylvania Avenue. And all should remember that investors’ appetite for US government debt isn’t limitless.