They keep telling us not to get ahead of ourselves, with all the promising news on vaccines. But however tough the winter still to come, we can surely now glimpse some kind of light at the end of the tunnel. And perhaps it's not too ambitious even to start envisaging times and places when we might finally be able to pause, and look around, and savor anew those rituals of teeming color and vitality we now understand to be so integral to human fulfilment. Like, maybe--whisper it--the first Saturday in...