You're scanning the shelves for canned tuna (and avoiding these common canned tuna mistakes), when you notice one with a little blue fish icon — what's that all about, and does it justify the ...

Others said they would eat on a plane, but not a tuna melt. "It's office rules," another person wrote. "Only eat food that is not fragrant, so no fish, no fried items etc. How do we not know this?" ...