Japan says it will defy any ban on trade in Atlantic bluefin tuna. Conservation groups say the fish is at risk of extinction if current catch rates continue.
While the U.S. announced its support of a ban this week, the fish is prized for high-end sushi in Japan, where 80 percent of the fish ends up.
An international conference on endangered animals and plants will vote on giving the tuna endangered status at a meeting that begins next weekend.
If Japan defied a ban on trading an endangered species, what would be an appropriate international response?
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