Introduction -- Revival and revolution: the modes of modern memory. Memory for the masses: sacred history and the national press -- Enslaved to the past: Emerson and the spirit of antislavery news -- The news and Walt Whitman: poetry of the divine present -- War stories and memory circuits: hypernationalism and the transatlantic time lag. Palaces of memory: global information and the specter of catholicity -- Wars and rumors of wars: Kansas and the presentist crusade -- "Transatlantic latter-day poetry": nationalist anxiety and the memory circuits of Leaves of grass -- Conclusion