A Washington Post column warned Wednesday of something even scarier than Halloween lawn ornaments: campaign promises that can’t be kept. Garrett Graff, author and director of cyber initiatives at Aspen Digital, noted this is a spooky time of year. “It’s promise-making season, when candidates are making all sorts of crazy, unkeepable vows about what they’ll do — and won’t do — if elected. Inevitably, though, when the winners settle into their new job, some will realize they’ve made promises they can’t keep,” he warned. Want more breaking political news? Click for the latest headlines at Raw Sto…