“Obviously neutrality doesn’t apply to the national Party.”
Yes, it does. They can’t take sides in the primary and can ‘t spend money on any candidate during the primary. That is in the by-laws of the national and state parties.
Keep telling yourself and you may begin to believe it. Guess the GOPe commercials against Trump made themselves. Oh yeah, PACs are NOT controlled by the Party.
Sorry...but you’re wrong.
See 2014 Mississippi GOP Primary and the GOP-E dirty tricks including voter fraud to protect their Establishment candidate.