Flash displays of hate and white power are happening more frequently in the United States, a trend that experts say is a reaction to changing demographics, political turmoil and social catalysts. More than 750 such incidents have taken place since 2020, according to the Anti-Defamation League, with more than half of them occurring in the last 18 months." "National experts describe a familiar pattern: Small groups of mostly masked men chant and wave swastika or white power flags in public and yell racial slurs at targets as varied as immigrants, Black people, Jews and L.G.B.T.Q. people.