United States July 19, 2023 1:56 pm Why are so many country flags red, white and blue? Ted Kaye, secretary of the North American Vexillological Association, explains why so many country flags in the world are red, white and blue, including the United States flag. US & World Videos 7:07 Mariska Hargitay wasn't allowed to touch her Olivia Benson costume in the Smithsonian 6:09 Nate Bargatze read Heidi Gardner's lines on ‘SNL' because he's colorblind 1:56 Halle Bailey and DDG split less than one year after son's birth 2:21 Man accused of stabbing Woodbury police officer appears in court 3:02 Kim Kardashian demands Menendez brothers release as prosecutors review new evidence