NATE COHN

The potential improvement is based on the idea that voters are less likely to recall voting for a losing candidate.

A big challenge for some pollsters, nonresponse bias, appears to be back.

Respondents said they preferred Republicans to control the Senate, but individual matchups showed a different story.

The current range of numbers could translate to a Democratic hold in the Senate, or an overall Republican rout.

As headlines shift in the weeks before the midterms, so do voters’ top concerns.

In a Times/Siena survey, respondents’ concerns about democracy often diverged from typical expert analysis.

Is four points the real margin nationally? That’s a good question.

How the Senate race in Georgia is shaking out.

Response rates suggest the “death of telephone polling” is getting closer.

In a potential reversal of recent structural trends, there’s a small chance of something we haven’t seen since 1952.