'Taking taxis in New York is usually an adventure and occasionally a risk,' says Christina Oxenberg. The hundred or so taxi stories she's collected from both sides of the partition window make that an understatement. 'All the drivers are crazy' seems nearer the mark, like the intellectual who drives in order to subsidize his search for the 'Negative' Scienza Nuova of Giamattista Vico or the immigrant who takes to the wheel because 'it requires no...