Presidential hopefuls line up for a firsthand look at the Texas/Mexico border. What does it mean for 2016? Plus: A new study says that in a state as big and diverse as Texas, only a handful of voices dominate news analysis. And: After a wave of foster care deaths, the Governor orders a fix. But what more can be done? A conversation with the head of Child Protective Services. All that and more, on this episode of Texas Standard.