In a six-page memo first reported by Vox Wednesday, Hillary Clinton campaign manager Robby Mook, in attempt to calm jittery Clinton supporters, laid out three priorities for the Democratic frontrunner. Work it out on your fingers and see if you can spot the mistake.
Mook is one of the best campaign operatives in the country, especially when it comes to counting, but this wasn't his day.
CJ Ciaramella is a Washington editor for BuzzFeed News and is based in Washington, D.C.
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