May 25, 2015 8:40 am WATCH: Old Guard Posts Arlington Flags Members of the 3rd U.S. Infantry, known as the Old Guard, describe placing hundreds of thousands of flags on graves in Arlington National Cemetery ahead of Memorial Day. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:30 ‘Baby Reindeer': Inside Richard Gadd's Netflix phenomenon