Former President Donald Trump launched a racially insensitive attack against presumptive Democratic nominee Kamala Harris on Wednesday, falsely questioning her racial background in a contentious appearance in Chicago. During a panel discussion at the conference of the National Association of Black Journalists, the Republican nominee for president said his opponent for the White House "happened to turn Black" a number of years ago. Asked about some Republicans labeling Harris as a "DEI hire," Trump, after bickering with ABC's Rachel Scott over the definition of DEI, responded: "I've known [Harris] a long time indirectly, not directly, very much. And she was...