http://abcnews.go.com/Politics/2018-vote-margin-narrows-democratic-engagement-slips-poll/story?id=54482800
2018 vote margin narrows as Democratic engagement slips (POLL)
By SOFI SINOZICH GARY LANGER　Apr 16, 2018, 7:00 AM ET
ABCワシントン・ポスト世論調査：中間選挙での民主党優位が縮小し10％→5％に

A 10-point Democratic lead among all adults narrows to 4 points among
registered voters and 5 points among those who say they’re both registered
and certain to vote;
http://a.abcnews.com/images/US/180413_Midterm_Election_Vote_Preference_DP.png