Donald Trump’s comments on Wednesday questioning whether Vice President Kamala Harris is Black were not an off-the-cuff expression of racism, but part of a broader campaign strategy that Trump and many of his key lieutenants plan to make a heavy focus of their final three-month sprint to retake the White House.Asked on Wednesday about Republicans accusing Harris of being a “DEI hire” or “DEI candidate,” Trump responded by questioning Harris’ racial identity. “She was always of Indian heritage, and she was only promoting Indian heritage. I didn’t know she was Black until a number of years ago when she happened...