Longtime industrial city Decatur, Ill., had the country’s greatest unemployment rate reduction. But people leaving the workforce – moving away, retiring, no longer looking for jobs -- may be the cause, rather than economic expansion. Local residents playing the treasure hunting game geocaching in downtown Decatur. From left are Amber Ridgeway, Chris Ridgeway, Cody Henson, Nicole Smalley, Nikki Clemens and Evan Kershner.
CREDIT: Kristen Schmid for the Wall Street Journal