The sushi wars - is it really about sea turtles?

The recent report of high mercury levels in tuna sushi (promulgated on this blog and many other venues) may have a dubious provenance. As Japundit notes: Now I don’t know about you, but I always smell something a bit fishy whenever I hear a story about the dangers of eating food that people have been eating for a long time. (read it all if you love toro)