Before revision:  Our goals are to open up new avenues for improving how elections are forecast, to increase understanding of the results that are reported by popular news sources, and to illustrate a fascinating example of data-driven forecasting using dynamical systems.
After revision:  Our goals are to open up new avenues for improving how elections are forecast, to increase understanding of the results that are reported by popular news sources, and to illustrate the value of data-driven forecasting using dynamical systems.