The big unknown behind Democrats' polling leads

Axios ·
South Africa

Poll after poll spells trouble for GOP candidates — in purple states and deep-red ones alike — but while Democrats see a blue wave coming, some Republicans see a polling mirage. Why it matters: Pollsters worry they're flying partly blind. Even a modest polling error could mean the difference between Republicans retaining control of Congress and President Trump facing Democratic majorities in both…

Read original article on Axios →