Racist 'white replacement theory' goes mainstream with Republicans A growing number of Republicans are promoting 'white replacement theory,' once the provenance of white supremacists. to elements of replacement theory. Former President Trump emboldened some believers, as well, including by retweeting accounts that identified themselves as believers in 'white genocide.' Carlson's recent , in the face of the Anti-Defamation League's calls for him to resign, have put these conspiracies back into the spotlight, along with the pronouncements of some high-profile elected officials. Rep. Matt Gaetz (R-Fla.) last week tweeted an explicit endorsement of WRT. Gaetz later that he doesn't think of...