www.onegreenplanet.org/vegan-food/lab-test-finds-no-tuna-dna-in-subways-tuna-sandwich/
Although Subway sucks and this is another example of corporate greed, they may have actually doing people a favor since tuna is one of the most mercury-contaminated fish you can eat. Not to mention the PCBs, plastics and other contaminants in all seafood.
Stay safe and be well.
AC