Visa and MasterCard now face a massive class action, led by Wal-Mart Stores (nyse: WMT - news - people ), that accuses them of using their clout in the credit card market to force retailers to accept their debit cards, which carry higher processing costs.

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Although the U.S State Department subsequently implemented a special immigrant visa program for Iraqi and Afghan translators and interpreters, the creation of this class of refugees is a testament to the power of language politics, and an example of the fallout from American insufficiencies in this area.

CNN: Why it's good to speak Spanish in America