Bournehurst-on-the-Canal
They arrive in the blustery summer twilight, couples in coupes, roadsters, and touring cars, up from Falmouth and Hyannisport in Palm Beach suits and taffeta weave. There is dancing to Paul Whiteman and Alice Fay. What summons our attention—my mother-in-law told me this—is not the soft flags luffing at each high corner of the pavilion,…