However, I've already found the best club sandwiches and best roast-beef subs to order, so in the name of research, I got tuna at Jimmy John's, Jersey Mike's, and Subway to see which popular chain ...

Subway's tuna salad sandwich has been under renewed scrutiny after The New York Times reported that lab testing found "no amplifiable tuna DNA" in samples of the sandwich. Source: Insider Subway ...

Next time I go to Potbelly though, I'll stick to the Clubby. Subway's 6-inch tuna sub was the cheapest of the bunch, but it was also by far the smallest. For the price, it's downright tiny, and they ...