Unless and until Trump gets to 1237, Cruz can get to 1237, whether before or at the convention. There are lots of other non-Trump and unbound delegates that Cruz can pick up.
You’re delirious Charles.
On the 19th, Ted will become numerically locked out of the 1237 needed prior to the Convention.
The only path thus becomes subverting the will of the Republican primary and caucus voters.
Must feel good knowing that.