From Underground Airlines by Ben H. Winters.
…Among that crew was a woman named Cherie, who had herself escaped from Louisiana and then dedicated her adult life to the Cause. Most of their work, Cherie liked to say, was done at a desk. Forget the glory of the predawn raid. Smashing in the face of of the system and pulling free the enslaved was mostly a matter of paperwork. The opening of bank accounts, the forging of documents. The creation of routes and backup routes and backups to the backups. “La liberté,” Cherie was fond of saying, in that charming Montreal accent of hers, “est une question de logistique.”
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