For 21 years, historian Jennifer Mittelstadt '92 has immersed herself in dusty bound indexes and volumes, micro-film readers, and intransigent online databases hunting for government documents. "Such documents offer neither ease of access nor instant gratification, and few yield pleasures or eureka moments," said Mittelstadt, professor of history at Rutgers University and a scholar of the state and politics in the 20th-century United States. "I've learned that satisfaction comes only from layering them in unexpected ways and moving outside the government archive entirely, forcing the documents to speak in ways their authors did not intend, and drawing into the conversation…