September 7, 2017 [originally published in CV92 in Fall 2012] — On the one hand, there are the snaps by career civil servant Warren Langford who, in 1963, unaccountably found himself part of domestic and overseas military-civilian familiarization tours of Cold War hot spots.1 On the other hand, there are his daughter Martha, an authority in the scholarly study of vernacular photography, and son John, a political scientist whose expertise includes public sector ethics…