Democrats have high hopes for midterms, but polls have let them down before
Polls have been predicting a Democratic surge, but last-minute deciders and sampling issues mean there's no guarantee.
Publicerad
Polls have been predicting a Democratic surge, but last-minute deciders and sampling issues mean there's no guarantee.
Denna sammanställning är automatiskt framtagen ur 1 källrapporter från 1 oberoende ägargrupper. Endast information som finns i källunderlaget har använts.