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.
Nation May 25 TSA chief: Hundreds of new scanners will help ease long airport lines WASHINGTON — The head of the Transportation Security Administration said the agency will add 768 new screeners by mid-June to deal with increasingly long airport security lines.