“4. This was an act between them 2 all along.”
I’d considered that also, however, Mrs. Cruz is rooted in Goldman-Sachs, so Teddy is sleeping with the enemy.
IIRC - Teddy said some out-of-bound things about Melania.
I think it’s more a case of “keep your enemies closer” - same with Mittens.
Trump’s advisor Bannon is rooted in Goldman Sachs, in case you haven’t noticed.