President Joe Biden is expected to sign an executive action Tuesday that would temporarily shut down the southern border when daily migrant crossings between legal ports of entry exceed 2,500, with the border reopening when the number falls below 1,500, according to three people familiar with the discussions. The impact of the 2,500 figure means that the executive order could go into immediate effect because daily figures are higher than that now. » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc About: MSNBC is the premier destination for in-depth analysis of daily headlines, insightful political commentary and informed perspectives. Reaching more than 95 million households worldwide, MSNBC offers a full schedule of live news coverage, political opinions and award-winning documentary programming -- 24 hours a day, 7 days a week. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc LIVE: Biden to issue executive order on Southern border, limiting asylum