President Trump heads into this week’s Republican National Convention with national polls showing him trailing in his race for re-election. But surveys also identify strengths in his political standing, some of them not widely noted, that could help him close the gap by Election Day.
Mr. Trump lags behind Democratic nominee Joe Biden by 9 percentage points, this month’s Wall Street Journal/NBC News poll found. The president’s share of support, now at 41%, hasn’t topped 44% this year against Mr. Biden. Mr. Trump also trails…
