... isn't a revolution at all. It's a reversion to a belief system which failed in the 1970s.
He can certainly push a little bit leftwards and do no harm. But his idealism on foreign policy and intention to reopen the health care debate just make him too much like the left of ancient times for me.
Obamacare is gradually working but could probably use some minor adaptations over time - whole new system .... not required at this moment. Angela Merkel's stance on Islamic immigration isn't working in Germany so why promote the same sort of model for the USA.