Economist/YouGov national poll: Biden 57 Sanders 36

[Mr. Morden]

Economist/YouGov national poll, conducted May 10-12:

https://docs.cdn.yougov.com/sww5v5iven/econTabReport.pdf

Biden 57%
Sanders 36%

Enormous age gap:
age 18-29: Sanders +43
age 30-44: tie
age 45-64: Biden +41
age 65+: Biden +60

By race:
white: Biden +22
black: Biden +41
Hispanic: Sanders +13

[Mr. Morden]

Fav/unfav % among all voters:

Klobuchar 34/35% for -1%
Biden 43/48% for -5%
Trump 45/50% for -5%
Warren 39/44% for -5%
Abrams 25/31% for -6%
Baldwin 17/23% for -6%
Whitmer 21/28% for -7%
Harris 33/41% for -8%
Sanders 42/50% for -8%

[Mr. Morden]

Other interesting questions from the poll:

https://twitter.com/ArgoJournal/status/1260608537912369152

https://twitter.com/ArgoJournal/status/1260606622138843139

[Mr. Morden]

Were pollsters still polling Kerry vs Edwards in 2004 after the latter conceded the race?

Probably not way back then, no.  But more recently, it's been more common.  We even had a 2016 Florida primary poll (of both parties) as late as October 2016 last time:

https://talkelections.org/FORUM/index.php?topic=249392.0