The Amer­i­can econ­o­my is back.  After years of tepid growth and a first quar­ter con­trac­tion, GDP grew by a robust 4.6 per­cent in the third quar­ter of last year.  The unem­ploy­ment rate remained at 5.8 per­cent in Novem­ber, and ana­lysts expect the Labor Depart­ment to announce tomor­row that the econ­o­my added sub­stan­tial­ly more than 200,000 jobs in Decem­ber.  Infla­tion is low, the dol­lar is strong, oil prices have tum­bled, and fed­er­al deficits are low­er.  Near­ly six years after the reces­sion end­ed, the long-await­ed recov­ery appears at last to have arrived.

That recov­ery has in part been dri­ven by a force that could be its undo­ing: debt.  Near­ly $46 tril­lion of it, or more than 2–1/2 times our annu­al eco­nom­ic out­put. Con­tin­ue read­ing →