A security worker smokes outside a money exchange house showing a sign with the official government-set exchange rate of 4.47 Argentine pesos per 1 U.S. dollar in Buenos Aires, Argentina, Wednesday, ... more 
A security worker smokes outside a money exchange house showing a sign with the official government-set exchange rate of 4.47 Argentine pesos per 1 U.S. dollar in Buenos Aires, Argentina, Wednesday, May 16, 2012. The AFIP tax collection agency's recent measure to control and approve every currency exchange operation in the country has made it practically impossible for Argentines to buy dollars, forcing them to get the currency on the black market. (AP Photo/Natacha Pisarenko) less 
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Associated Press | Photo By Natacha Pisarenko
Sat, May 19, 2012 11:16 AM EDT