"What do the 2018 midterm elections mean?" The 2018 Congressional Elections supplement provides the answers, drawing on the most recent National Election Study surveys to offer a close analysis of the key issues and races, including:

• the outcome of the battle for control;
• the role of independents in elections, particularly in this era of partisan polarization;
• the influence of record campaign spending on election outcomes; and
• Trump′s impact on Congressional Elections

This essential supplement complements, supports, and updates American Government texts and courses as well as Voting, Election, and Campaigns courses.

Elizabeth Theiss-Morse is the Willa Cather Professor of Political Science at the University of Nebraska-Lincoln. She is the author of several award-winning books including Who Counts as an American?, Stealth Democracy, Congress as Public Enemy, and With Malice Toward Some.