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 0:45 A'ja Wilson named WNBA MVP, Caitlin Clark AP Rookie of the Year 2:01 Diddy's former protégé Shyne Barrow breaks silence on mogul's arrest: He ‘destroyed my life' 1:10 US Army private who ran into North Korea is set free after pleading guilty to desertion 5:05 Secret Service details agency failures during Trump assassination attempt at Pennsylvania rally 3:02 Sean ‘Diddy' Combs on watch for his safety as he awaits trial in sex trafficking case