"How Polling has changed since the 2016 election" PBS NewsHour 11/2/2018

Excerpt

SUMMARY:  Democratic Congressional [House] candidates now hold a nine-point advantage over Republicans, according to the latest poll from the PBS NewsHour-NPR-Marist.  But can polls be trusted?  In 2016, polls in key states showed Hillary Clinton winning handily.  Donald Trump won all three.  Judy Woodruff discusses with NPR’s Domenico Montanaro and Patrick Murray of the Monmouth University Polling Institute.