This may wind up teaching Trump a valuable lesson....he still wins, but had to work hard and make changes on the fly...realizing he has to do more than just coast on momentum he creates.
Taking lessons from this vs the nutjobs extreme on the left in the fall.
The question is, will the RNC actively try to sabotage him
Yes, because the RNC is part of the DC Uni-Party.
Trump, like a lot of very successful men learns a lot from his failures.