The Trump administration today charged Facebook Inc. with violating housing discrimination laws. The social media company allows advertisers to divert housing listings away users who mention terms such as “assistance dog” and “mobility scooter,” or who live in certain zip codes, in violation of the Fair Housing Act, HUD alleged. In addition, the Justice Department today joined a lawsuit against Facebook, saying in a “statement of interest” that the company discriminates by helping advertisers pick preferred users. The Fair Housing Act prohibits discrimination in housing transactions including print and online advertisement on the basis of race, religion or sex, among...