More than 70% of the Gazan population is living as refugees in Rafah, and the looming ground operation by the Israeli army threatens to escalate the humanitarian crisis. CBS News producer Marwan Al Ghoul reports from Rafah with the latest. "Face the Nation" is America's premier Sunday morning public affairs program. The broadcast is one of the longest-running news programs in the history of television, having debuted Nov. 7, 1954, on CBS. Every Sunday, "Face the Nation" moderator and CBS News senior foreign affairs correspondent Margaret Brennan welcomes leaders, newsmakers, and experts to a lively round table discussion of current events and the latest news. Subscribe to the "Face the Nation" YouTube channel: https://youtube.com/facethenation/​ Watch full episodes of "Face the Nation": https://www.cbsnews.com/face-the-nation/full-episodes/ Follow "Face the Nation" on Instagram: https://instagram.com/facethenation/ Like "Face the Nation" on Facebook: https://facebook.com/FaceTheNation Follow "Face the Nation" on Twitter: https://twitter.com/FaceTheNation Subscribe to our newsletter: https://cbsnews.com/newsletter/ Download the CBS News app: https://cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h For video licensing inquiries, contact: [email protected]