Three major ad agencies settled an investigation by the Federal Trade Commission on Wednesday that alleged violations of antitrust law for refusing to advertise on websites that prominently feature misinformation and politically extremist content. Under the settlement, the ad agencies have agreed not to “set common brand safety standards or restrict advertising” based on what the FTC calls “biased and politically motivated criteria.” It’s a win for conservative websites like Breitbart and the far-right owner of X, Elon Musk. The billionaire has essentially argued that it’s illegal for large consumer brands to not give money to his social media platform...