washington hillary clinton puerto rico democratic primary sunday move step close prevail rival bernie sanders fight party presidential nomination clinton project winner sanders u.s. island territory accord nbc news win give former secretary state boost ahead big night tuesday six state include new jersey california hold nominate contest clinton hop cross threshold 2,382 delegate need secure nomination nov. presidential election early p.m. edt tuesday poll close new jersey sanders u.s. senator vermont dead heat california delegate state award proportional basis even loss clinton would likely stop secure party nomination likely general election contest presumptive republican nominee donald trump ahead puerto rico nominate contest clinton 60 delegate shy clinch nomination include superdelegates consist party leaders elect senators members congress governors sanders brace prolong fight run democratic convention end july network report huge voter turnout long line puerto rico 430 poll station open compare 2,000 2008. island suffer severe debt crisis hamper basic government service clinton pick win puerto rico 's democratic primary nbc news