What if POTUS offers NP & CS a deal thru can't refuse?
What if POTUS offers instant amnesty for daca recipients in exchange for the wall?
If they agree, they alienate their financial backers who profit from open borders and a percentage of their base costs the Trump Train and the d party implodes.
If they refuse to concede, they will loose 90% of their base (99% off the latin vote) and the d party implodes.
We win.