Investigations
Kathryn Cramer is a fiction editor and anthologist by trade. Her weblog has led to a good deal of investigative journalism, as she's been tracking the strange world of private security firms and mercenaries.
At the recent Tinderbox Day, Cramer showed us a Tinderbox framework she has developed for tracking news stories.
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Strikingly, it's very close to what you'd want to use when plotting a novel! There's even a category for MacGuffins.