$2 A Day
Is what some of the Wal-Mart cleaning crew members were being paid. Body and Soul has a good rant about that:

It's like being robbed, and then having the police arrest you rather than the robber, because they discover you have an unpaid parking ticket.

And don't miss the obvious connections. The race to the bottom threatens American citizens as surely as it does the undocumented. If we're not in this together, we all lose.