2 of the scenarios involved housing and 1 was our national debt. However, I don't think lower housing prices is a threat to our economy in the long term. I believe the big issue is the national debt and even then if deal with it now we can soften the impact.
Most signs point to a slow and steady recovery, but what if the pessimists are right, again? What if the United States isn't in the slow-lane to recovery, but rather on the precipice of another decline -- a double dip?