Explain the last paragraph of the Ta-Nehisi Coates article: "Race," writes the great historian Nell Irvin Painter, "is an idea, not a fact." Indeed. Race does not need biology. Race only requires some...

Extracted text: Explain the last paragraph of the Ta-Nehisi Coates article: "Race," writes the great historian Nell Irvin Painter, "is an idea, not a fact." Indeed. Race does not need biology. Race only requires some good guys with big guns looking for a reason.