Bulldozers rip into Big Bend National Park, driving anger and heartbreak

CNN, NATALIE NEWMAN By Ed Lavandera, Ashley Killough, Rachel Clarke, CNN Big Bend National Park, Texas (CNN) — The towering cliffs, jagged mountain tops, and punishing desert climate of the Big Bend region in Texas have long proved to be the best barrier the United States could have with Mexico. For generations, the idea of