It’s quite an emotional moment, on a Friday evening at Hoi Polloi a few minutes north of the checkpoint. Gifts are brought, as to a visiting dignitary: a Pink Floyd mug, an Iron Maiden key ring, a sticker/patch for the album The Wall (also, of course, by Pink Floyd). There’s even a thank-you card, bearing a handwritten message.
“Dear Mr Robert Camassa,” begins the message. “You should know that I
