Rand fought for it because of KY ballot law, and McConnell hates it. It only applies to GOP Presidential delegates. There will still be a Primary in May.
Yeah, I didn't say differently, did I. And the primary will be for everything but President.
I'm telling you the 2015 deadline was poorly advertised, thusly: (a) of no extra help to anyone named Cruz; and therefore (b) anyone who wants it will have to come and get it, whether it's Trump or Cruz or Jeb or Robot.