Letter: Hats off to Costco

I just made my first trip to Costco in two months. It wasn’t without trepidation. It was well-calculated, timed when the traffic was minimal, focused shopping.The greeter requested proof of membership and said a mask was required. The shopper in front of us did not have a mask. No mask, no admittance. He was visibly frustrated.The first question the greeter posed was, “Do you have a mask in your car?” The answer was no, and to that she offered a mask.For me this served as an ed