The personality looming over the 2018 midterms was President Donald Trump. The issue was health care, the top concern for voters as they decided how to cast their ballots.
This week's election showed a nation increasingly — if belatedly — in step with former President Barack Obama's approach to it.
Health care was the top issue for about one-fourth of voters, ahead of immigration and jobs and the economy, according to VoteCast, a nationwide survey of more than 115,000 voters and about 22,000 nonvoters conducted for The Associated Press by NORC at the University of Chicago.
Those most concerned with health care supported Democratic candidates overwhelmingly, helping...