Presumptive Democratic nominee Joe Biden says if elected, he would not tear down the parts of the barrier along the U.S. Southern border built during the Trump administration — but he would cease construction. "There will not be another foot of wall constructed on my administration, No. 1," he told NPR's Lulu Garcia-Navarro during an interview with journalists from the National Association of Black Journalists and National Association of Hispanic Journalists. "I'm going to make sure that we have border protection, but it's going to be based on making sure that we use high-tech capacity to deal with it. And...