The 'thank you wave' makes a comeback

Walking my dog Dorothy a few months ago I didn’t recognize the fellow waving from the white car until he stopped to say hello. Turns out it was Ed, a casual acquaintance, whose wave I hadn’t acknowledged because I couldn’t see him through the tinted glass.

Since then I’ve made it a point to wave at every car that passes on our quiet street. Maybe I know the driver, perhaps I don’t. But the wave ca...