The Washington Post-Schar School survey of battleground districts found voters positive about the economy while a narrow majority said the country was on the wrong track.
Beyond the voter volatility is the legislative reality that the heightened competition has driven the two parties farther apart on major issues.
Whether disaffected Americans turn out Tuesday may determine the outcome in many tight races.
The Iowa Republican, who has a history of controversial comments, made the remarks while campaigning one day before Election Day.
It would take an enormous blue wave to overcome the traditional advantage that the GOP has here in voter registration and participation.
The House Problem Solvers Caucus: America’s best chance to solve gridlock, or political cover for scared incumbents?
President Trump has claimed without evidence that Democrats want to destroy the economy, obliterate Medicare and open the borders to violent criminals.
Candidates talk about a lot of issues, but the election is about one big thing: What kind of country this is and will be.
A mass shooting in his neighborhood. Condolence calls. Funeral after funeral. And a clash with the president.
Voters in 37 states will decide 155 ballot measures this midterm. In many states ballot measures echo larger national trends.