A growing list of restaurants are packing their menus with protein as more Americans opt for healthier diets.  Subway recently announced that it was kicking off the year with new Protein Pockets. The items are described as soft tortillas with a selection of protein, such as chicken, ham and turkey, vegetables and a sauce. The company said that each one has more than 20 grams of protein and is under $4. "Getting more protein in their diet is important to so many people. But all too often that protein is expe ...