Democratic Senate coalitions in red presidential states Montana and West Virginia.KEY POINTS FROM THIS ARTICLE Sens. Joe Manchin (D-WV) and Jon Tester (D-MT) are outliers in Congress no other Senate or House member holds a state/district that is more hostile to his or her party at the presidential level than this pair. Montana and especially West Virginia are deeply Republican at the presidential level, and while Manchin and Tester have clearly run way ahead of Democratic presidential performance in recent years, changes at the presidential level are reflected in their own coalitions.
A Republican primary Tuesday in West Virginia will test whether Donald Trump’s sway over party voters can help an ally oust a fellow sitting congressman.