The Leftcoaster has a stunning headline and argument entitled The Coming Days of Rage.
I've been thinking a lot along these lines for some time now although I'll admit I hadn't really clued into the economic dimension as is presented at this post before. But the economic angle does suggest that there may be changes of more importance besides the aggregate indicators (unemployment rates, inflation, economic growth, etc) most pundits rely on to predict economic security and political contentment with the current regime. In short, if the wrong Americans (i.e. well educated, white) are angry, it won't matter how well the professional economists say we are doing to cause a political crisis.
Then add on the religious element, America's military interventions, the threat--real or imagined--presented by terrorism by The Other that can strike anywhere at any time, the anti-dissension hysteria fanned by institutions like Fox and talk radio, and we have a recipe for craziness.