What pollsters get wrong about support for Donald Trump

Scott Keeter, senior survey adviser at Pew Research Center, says supporters of Donald Trump and other populist candidates tend to be suspicious of institutions they see as part of the establishment, and can be underrepresented in polling samples. Pollsters are using new statistical techniques to attempt to correct for that. What questions do you have about the upcoming U.S. election? Send an email to ask@ »»» Subscribe to CBC News to watch more videos: Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: Follow CBC News on TikTok: Follow CBC News on Twitter: Find CBC News on Facebook: Follow CBC News on Instagram: Subscribe to CBC News on Snapchat: Download the CBC News app for iOS: Download the CBC News app for Android: