A Fringe Conspiracy Theory, Fostered Online, Is Refashioned by the G.O.P.
The belief in replacement theory fueled the right-wing rally in Charlottesville, Va., in 2017 that erupted in violence. Credit: Edu Bayer for The New York TimesSome right-wing politicians and commentators have embraced the replacement theory espoused by the suspect in the Buffalo massacre.Mass shootings and replacement theoryInside a Pittsburgh synagogue in 2018, a white man...