 It's Morning Edition from NPR News. I'm Michelle Martin. And I'm Layla Faudel. Four black women at Harvard University, including Harvard's first black president, Claudine Gay, have been accused of plagiarism by right-wing activists in recent months. Gay resigned as president in January under pressure that was compounded by her congressional testimony about confronting anti-Semitism on campus. Critics have also used plagiarism allegations to raise doubts about campus policies on diversity, equity, and inclusion.