The head pollster for CBS News, Anthony Salvanto, doesn’t think we’ll see a Blue Wave this November — and certainly not one close to the Red Wave of 2010.
Salvanto learned from the failure of polls to predict the 2016 election. He saw that the two polls that ended up being right — the LA Times/USC and IBD/TIPP — were tracking polls, so he designed one himself to use in 2018. Tracking polls differ from regular “horse race” polls in that they poll the same sample of people over and over to see if and how their views have changed over the campaign.
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