Polling industry the night’s big loser as 2016 debacle repeats itself

Whoever ultimately wins the White House, one loser of the presidential election is already clear. The political opinion polling industry that promised to get its act together after a spectacular failure to detect Donald Trump’s 2016 triumph is under new scrutiny after another shambolic performance that left its relevance as a useful predictive tool in serious question. Trump overperformed in several key states up to eight percentage points…