Walmart is making a permanent change to its stores due to coronavirus

Retailers have been making major changes to their operation in the wake of the coronavirus pandemic, like controlling how many shoppers are inside at any one time in order to maintain adequate social distancing. Walmart has just announced that one of the coronavirus-inspired changes it's made will stay in place indefinitely. It's the special hour set aside for elderly and vulnerable shoppers so they don't have to fight the crowds. I visited a Walmart store near me during the early days of the co...