Mexico Slaps Tariff On U.S. Products In Truck Dispute

by Scott Horsley, NPR
August 18, 2010

Mexico slapped new tariffs on some U.S. pork and cheese products on Wednesday, the latest in a long-running spat between the two nations over U.S. refusal to permit Mexican truckers to cross the border. It's a tough problem for President Obama, who sees expanded trade as a key to economic growth.

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