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 1:10 American scientists win Nobel Prize for the discovering of microRNA 1:51 Patriots' Jabrill Peppers arraigned on multiple charges 2:08 Hurricane Milton strengthens to Category 4 storm as it churns toward Florida 1:56 One year after Oct. 7 terror attacks in Israel, tensions have only heightened 3:22 Pleasant Sunday before possible Monday rain