On eve of midterms, final polls point to Democratic gains, but can Republicans hold the Senate?

<a href="https://news.google.com/rss/articles/CBMiSEFVX3lxTFBSUVAxWnExZmExWlBGLTdhcVh0OWh5bE9mMUY0THRka1JKTVZjYVlpS3FTUHRlTVZHaDFCRmN5LVRfRW9oNnVwdg?oc=5" target="_blank">On eve of midterms, final polls point to Democratic gains, but can Re