So ask yourself Why are so many candidates who are not eligible running on the REPUBLICAN ticket? I think we are watching a kabuki with well written script and cast of characters.
Allows for a plan B.. Brokered convention.
Why would a Republican Party allow Cruz to take the nomination, knowing darn well he could be disqualified?
Heads I win, tails you lose.
The one they have to move out of the way, is Trump.
That is why you see entire magazines devoted to getting him out of the race.