April 5, 2019 5:32 pm Here's What Would Happen If The Border Closed President Donald Trump backed off his threat to close the southern border during a visit to Calexico, California on Friday. But if he were to go through with it, here’s what you could expect to happen. US & World Videos 0:29 UC San Diego students walk through campus with Palestinian flag 2:34 CDC monitoring cases of bird flu across the U.S. 2:31 Rattlesnakes are out, San Diego, so watch your step … and your dog 0:31 A piece of San Diego history is for sale in Old Townc 3:26 Family of USD student killed on freeway worries lawsuit against Uber could get dismissed