This PBS series dares to pose a question: Is one of America s biggest corporations actually ruining the economy? Marching across the nation, the big-box chain brings jobs and much-needed retail options to many towns. But, as a major purveyor of goods, the company s also hacked away at manufacturing jobs stateside, since the bulk of its products are made in China. Here, Frontline examines two cities profoundly affected by the Wal-Mart movement.