Wow. Cruz and Kasich hold grudges. Get over it.
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You are misreading the tea leaves at least in the case of Ted Cruz. What you are seeing is Cruz vs The Art of the Deal. Clearly Cruz wants more than a speaking slot and Trump wants, needs and, IMHO, deserves a Cruz endorsement.
They will work it out. I suspect the driver here is Cruz 2024 or at least some major plank that Cruz holds dearly. And Trump wants to make a deal with as few constraints as possible.
Place your bets.
Rafael won't be eligible in 2024, 2028, 2032, or EVER.