As Nov. 8 dawned, it all seemed so clear: National polls predicted that Hillary Clinton would prevail. Polls conducted at the state level, meanwhile, indicated that a “blue firewall” of Democratic-leaning states would comfortably propel her to victory in the electoral college. …
But in states with close battles, where the presidential election is actually won and lost, there seems to have been a systematic polling bias in Clinton’s favor.
So, what went wrong? Here are the leading theories, from polling experts who are struggling to work out what just happened. CONT.
Peter Aldhous, BuzzFeed