Investigative journalist Nikole Hannah-Jones says she will not teach at the journalism school at the University of North Carolina at Chapel Hill following an extended fight over tenure.

By Tom Foreman Jr., Associated Press

Critical race theory, or CRT — often a graduate-level framework examining how the legacy of slavery and segregation in America is embedded in its legal systems and policies — has become the source of a political flashpoint across the country.

By Amna Nawaz, Courtney Norris, Vika Aronson