"This would be an extraordinarily unwise move by the North Koreans, " Under Secretary of State for Political Affairs Nicholas Burns says.

NPR: North Korea: Sanctions Are a 'Declaration of War'

Take its recent attempt to defend the currency by raising the statutory reserve requirements to as high as 40%. (This unwise move has the IMF's fingerprints all over it.) It merely restricts the amount of local currency available for changing into foreign currency, thus artificially containing incipient capital flight.

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Mr. Clinton said it would be "a very, very unwise and precarious move" for Congress to deny China permanent normal trade relations, known as PNTR.

CNN: White House steps up lobbying effort for China trade bill

While this may seem unwise, it may have been a savvy move.

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