Add Yahoo as a preferred source to see more of our stories on Google. Shake Shack assorted sandwiches - Ilya S. Savenok/Getty Images Since its early days as a hot dog cart in Manhattan, Shake Shack ...

Excess isn’t usually the key to success for new downtown DC lunch spots. Salads, modest sandwiches, and assorted bowls seem to suffice for most of the office workers who haunt the weekday eateries ...