The small city of El Centro, "the centre" in Spanish, is the centre of nothing obvious except an unforgiving desert. It is, rather, at the very edge of America, blending into Calexico, the border town that leads to the much larger Mexican industrial city of Mexicali. But El Centro has been receiving unusual amounts of attention because it is the metropolitan area that has America's worst unemployment-at 27.5%, as of June, almost three times the then national rate of 9.7%.
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