New Fox poll has Biden, Warren, and Sanders beating Trump by basically same margin.

Biden’s margin over Trump has actually shrunk; Warren’s gone from losing in the head to head (back in March) to leading by 10.https://t.co/YUbGzCDZXF pic.twitter.com/L6nGDmg3cg

— David Weigel (@daveweigel) October 10, 2019