(05-28) 12:48 PDT LOS ANGELES, (AP) -- Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan's crippled nuclear plant to the shores of the United States 6,000 miles away — the first time a huge migrating fish has been shown to carry radioactivity such a distance. Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2012/05/28/national/a120114D60.DTL#ixzz1wDhpH1BO