If your pantry was empty, your children hungry, your electricity cut off for nonpayment, and you saw no prospect of support, what would you do? For a decade in a rural Tennessee community, you went to a shabby building behind a church and found Laura Willis.Running a program to help the needy, Laura discovered a world of people she never knew: the lonely and unemployed, chronically poor families, and middle-class folks surprised to be struggling in a great recession