coronavirus March 20, 2020 6:06 pm Workers Can Cross Southern Border Under New Restrictions NBC 7’s Melissa Adan explains the rules of the new restrictions between U.S. and Mexico. US & World Videos 3:32 Biden on campus protests: ‘Order must prevail' 1:06 Former Sen. Joseph Lieberman dead at 82 1:23 Majorie Taylor Greene files motion to oust Mike Johnson from House speakership 1:56 GOP responds after Schumer calls for new leadership in Israel 2:57 Nikki Haley suspends presidential campaign: ‘I have no regrets'