Donald Trump overperformed in several key states compared with opinion surveys, leading some to question their usefulness
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.
Continue reading...from The Guardian https://ift.tt/2Gwnex6
