A new migrant caravan reaches the border with Texas and president Trump puts more boots on the ground, we’ll have the latest. Also, political strategies are adapting to a changing Texas. With all eyes on 2020, is the GOP scared? Or is recent rhetoric simply a plan to turn out the faithful? And from plastic to metal: the switch that could bring 3D printing into a whole new dimension. Also, the artist who consistently delivers billions of views on YouTube, you may remember Gasolina, Dura and Despacito. We’ll look at his formula for success and so much more on today’s Texas Standard: