The 2016 presidential election was, by any account, notable. It was also largely a surprise how it turned out. Regardless of ideology, most people assumed a Hilary Clinton victory, and that perspective was informed by poll after poll that showed her cruising to a comfortable win.
Post-election, a lot of people questioned the validity of polls that said one thing while actual results seemingly showed something entirely different. And, a lot of people still question polls, wondering how valid they are heading into a 2020 presidential election that promises to be, by any account, lively.
Under all this is the key question: Did election polls in 2016 actually get it all wrong?