Covid was hard on Barnes & Noble Education, which had been struggling even in normal conditions. Sales for the fourth quarter ending May 1 were $223 million, down 13 percent from $257 million a year ago (which was an unusual 14-week quarter), already a low bar given the impact of Covid last year. Two years ago, a more normal fourth quarter had sales of $334 million. The operating loss was a big ($59) million, worse than ($52) million a year ago. For the full year, sales fell to just $1.434 billion — compared to $1.851 billion in the previous year. […]