Two in three Americans (67%) said they could live on sandwiches alone for a full week, according to new research. The perfect sandwich, according to a survey of 2,000 Americans, consists of tomato (54%), cheddar cheese (39%) and Black Forest ham (39%). The survey also found that the average American craves a sandwich four times a week. It seems that the best solution for your tastebuds and your wallet is a sandwich as 42% polled said they are actively looking for ways to cut down the cost of food, with sandwiches being a good money-saving option for 67% of respondents,...