How late-breaking bombshells affected past presidential elections
Your browser doesn't support HTML5 video.
FBI Director James Comey's surprise letter to Congress about additional emails related to Hillary Clinton's private server upended the narrative of the presidential election 11 days before voters took to the polls.
FiveThirtyEight dug through the archives and analyzed how late-breaking news stories affected the polling and eventual results of past presidential elections.
Follow BI Video: On Twitter