Monica Potts/The American Prospect Residents wait for their turn at a food bank in Cumberland, Maryland. C umberland, Maryland, is in the western handle of the state, sitting atop Virginia near the narrows that once funneled settlers through the mountains and into the West. It’s the biggest city in the area, with about 20,000 people. The railroads were once the largest industry here, and freight trains still rumble through the downtown, past an old sign for the Cumberland Steel Company and a hilly jumble of old red-brick factories, two-story offices, and church spires. Now, as in almost every other rural part of the country, the biggest employer is the local hospital. The hospital, Western Maryland Health Systems, is participating in a statewide experiment that officials hope will control hospital costs and also make the state’s population healthier. The State of Maryland has been trying to control health-care costs since the 1970s, but its efforts are getting new attention because...