How the sandwich got it's name - tall tale or truth?

A sandwich is a perfect meal-in-one, and the story goes it was invented by a gambling Earl who didn't want to leave the cards table. But is this tale truth? Let's find out!
A sandwich is a perfect meal-in-one, and the story goes it was invented by a gambling Earl who didn't want to leave the cards table. But is this tale truth? Let's find out!