An American sailor named George Mendonsa spontaneously takes hold of a complete stranger, 21-year-old Austrian-Jewish refugee Greta Zimmer, bends her backward, plants a kiss on her mouth and continues on his way. Unbeknown to either, famed photojournalist Alfred Eisenstaedt has captured the encounter. The resulting image, published soon after in Life magazine, came to symbolize the exuberance of that moment, in a country overflowing with vigor and youth, at a time when anything seemed possible.....In 2012, a London-based blogger who uses the pseudonym Leopard wrote a provocative post on Crates and Ribbons titled “The Kissing Sailor, or ‘The Selective Blindness...