@sng I mean, there's no way anyone who's not in either the republicans or the democrats is gonna win, so it's a necessity to run with them... And I don't really see how running for their nomination while not being in the party is different from being in it? idk
I don't believe he could pull whoever he would campaign for to the left, honestly. The democrats are too bound to their financial sources and centrist/liberal policies imo