Even prior to Covid-19 hitting the U.S., department stores were in dire straits, mainly because they had failed to keep up with shoppers’ changing tastes. A few months ago, these retailers were investing in ways to win back customers, such as in-store events and experiences, but nobody could have anticipated that stores would be forced to close in order to stop the spread of a virus, or how long stores would have to remain closed.   Now, major department store retailers, including Nordstrom, S...