Music
May, 1974
They show up in bizarre places--alongside a canal in Amsterdam, leaning against a milepost in Italy, among the advertising placards in the London underground, tacked up next to the basketball hoop on a small-town Kansas garage. You may have seen your first one in Vietnam--240 of them were mailed over there, at Servicemen's requests--or, in the unlikely event you were there at the right time on the right dog sled, on the polar icecap. The message is alternately straightforward (Wall Drug, 10,632...