All in Primary

What does the data tell us about Democratic Party Presidential Primaries: Joe Biden is the clear (and even compelling) leader, He is most electable, and All other inferences are not robust(for Now)

What do polling data tell us unequivocally? Joe Biden is the leader, he is the most electable candidate. Biden’s rival is not clear. It appears to be a cluster: Harris, Warren and Sanders. Empirics tells us that Joe Biden is likely to be the nominee.