I’ve said this before, but if he were smart he’d pick a running mate like Tulsi or someone cut from the same cloth - farther to the left than Joe to make the progs happy, but not so far to the left as to be out of touch with the rust belt and blue collar voters that they lost in 2016. If the Dems want to win the electoral votes back they need to go after those states, not just the urban areas and coasts:
https://www.cnbc.com/heres-a-map-of-the ... democrats/