A worker collects shopping carts in the parking lot at Wal-Mart, Friday, July 12, 2013, in Bristol, Pa. The bitter standoff between Wal-Mart and officials in Washington, D.C., over the

 

              A worker collects shopping carts in the parking lot at Wal-Mart, Friday, July 12, 2013, in Bristol, Pa. The bitter standoff between Wal-Mart and officials in Washington, D.C., over the
A worker collects shopping carts in the parking lot at Wal-Mart, Friday, July 12, 2013, in Bristol, Pa. The bitter standoff between Wal-Mart and officials in Washington, D.C., over the city’s effort to impose a higher minimum wage on big-box retailers is fueling a wider debate about how far cities should go in trying to raise pay for low-wage workers. (AP Photo/Matt Rourke)