He says a lot and want some progressive social stuff but his main function is sheepdog to keep the left in the horriblyright democratic party.
He tows the Uniparty imperialist warmongering line every time and only proposes good bills or votes for them when it's absolutely certain they wont pass anyway.
He's a snake, and so is his astroturfed "waitress" successor AOC by the way.
Now Bernie is past his date and more people finally get what he does.