South Carolina should really get their act together and close their primary. It would help keep the squishes from getting rolling.
The GOP wants liberal candidates nominated.
It does not want conservative candiates nominated.
That is why open primaries remain open.
Just as Boehner used democrats to achieve his goals, the GOP will do the same nationally.
All democrats really need to do is secure the nomiation for Bush and then vote for Hillary or Warren and they win, because no one wants Jeb Bush as president.