Nation Sep 14 Texas landowners ask courts to block Trump's Big Bend border wall plans By Rebecca Santana, Associated Press
Nation Mar 29 Here are some of the physical challenges the border wall faces Geographic and physical challenges — including the Rio Grande and threatened wildlife — may make it difficult to build the border wall that President Donald Trump has promised on the U.S.-Mexico border. By Alicia A. Caldwell and Matthew Daly, Associated Press