Trump’s attack on Harris’ race comes as multiracial population surges across the US  AxiosTrump Remarks on Harris’s Multiracial Identity Overlook a Growing Trend  The New York Times“I Want to Make Sure Everyone Knows the Kamala Harris That I Know”  SlateInternal chaos over Trump’s appearance at National Association of Black Journalists spills out into public  Fox NewsGOP senators fear ugly campaign after ‘uncomfortable’ Trump outburst on race  The Hill