photo: Francois-Marie BanierReading about prodigious imposter, the "professional liar", Frederic Bourdin, in the Aug. 11-18 New Yorker, I sez to myself, "This guy has got to be a Gemini." Sure enough, the author (David Grann) gave up his birthdate: June 13, 1974. In addition to his amazing adaptability, his facility with languages, and his effortless border-crossing, it was his youthfulness, his ability well into his thirties to convince everyone he was fifteen that struck me as particularly Geminian.