Whether or not it’s a PB&J tucked into your “Six Million Greenback Man” lunchbox or a juicy Reuben served at a New York deli, sandwiches doubtless determine into lots of your munchable reminiscences. And why not? Sandwiches are available in all styles and sizes, and so they’re eminently moveable. You’ll be able to tote them to work, on a picnic or on a cross-country highway journey, all with minimal mess. Better of all, sandwiches are available in all…