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Do Americans love their dogs too much?

By The Christian Science Monitor
Saturday, September 7, 2013 11:39 EDT
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Chihuahua wearing marijuana wreath via Flickr Creative Commons
 
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Every few years it seems there’s a new study that shows how smart dogs are. Three or four years ago, it was revealed that the smartest dogs had a vocabulary of up to 500 words.;

 
 
 
 
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