Despite Democrats building momentum, the non-partisan Cook Political Report predicts Republicans remain in the driver's seat for securing a Senate majority in the upcoming midterm elections.

What do Tuesday's elections in Georgia and Mississippi signal about the future of Republicans and Democrats nationally? NPR asks Matthew Klein of Cook Political Report.

NPR's A Martinez asks Jessica Taylor of the Cook Political Report about a new report on the midterm outlook for U.S. Senate races.

A new analysis by the Cook Political Report indicates that five US House districts are now leaning more favorably towards Democrats as both major parties contend for control of the House during the midterm elections.