Huh? A few years ago Obama/Biden were considering what to do about the "entitlement crisis". The famed Simpson-Bowles commission (unsurprisingly they suggested cuts to Medicare and Social Security) [1]. Only Bernie Sanders and Elizabeth Warren (who waffled on M4A, and subsequently faded in the polls) are trying to expand the social safety net. Meanwhile the DNC is trying to do whatever it can to protect their class interests [2][3].

[1] https://en.wikipedia.org/wiki/National_Commission_on_Fiscal_...

[2] https://www.politico.com/news/2020/01/31/dnc-superdelegates-...

[3] https://www.politico.com/news/2020/01/31/dnc-shifts-debate-r...