hillary officially democrat party obama build nomination barely seal democratic national convention bernie sanders campaign hillary clinton party nod go back independent.sanders consider officially independent congress view lean leave democratic party platform caucus democrats declare intention run presidency 2015 rarely ever identify member democratic party politics since 1979 .and despite plead base support hillary even though concern moderate sanders return vermont seat senate official party affiliation.bernie sanders tell bpolitics breakfast w/reporters 'll return senate independent dem elect ind susan page susanpage july 26 2016debbie wasserman schultz force resign chairwoman dnc leak email reveal try keep sanders challenge clinton party nomination might even vindicate sort of.sanders struggle along whether call democrat even duck question party affiliation raise local vermont media days declare late try reinforce indeed democrat sanders certainly party player exactly concern wasserman schultz voice wikileaks document dump.via heatstreet break demexit bernie sanders leave democrat party