Nate Silver @NateSilver538
The difference is that I think Biden and Warren together cover the various parts of the Democratic coalition better than any other pairing of 2 candidates. Almost every major D constituency likes *either* Warren or Biden, if not both. The big exception is potentially Hispanics. — PolitiTweet.org
Jonathan Bernstein @jbview
Or Warren and Harris. Or Biden and Harris. Or one of [Mayor Pete, Beto, Klobuchar, Booker. Castro] and one of those… https://t.co/3Bc3lsmPK3