Perhaps it's time for the state of Texas to take pro-active steps to secure the border, independent of the United States government. Use the TX National Guard, and the Texas Rangers if need be.
If that "provokes a confrontation", well... that is EXACTLY what we need. If this catastrophe is not "headed off at the pass" soon, what will the country be like after another 4 years of it?
Methinks the bearded Cruz will turn tail under such pressure and hightail back to DC pronto...