The Federal Trade Commission and Media Matters have settled their litigation following a court ruling that the federal agency violated the First Amendment when it issued a civil investigative demand to the media watchdog. The Media Matters lawsuit was dismissed on Tuesday, after the sides gave notice of a settlement , with each side bearing its own costs. In August, a federal judge granted a preliminary injunction to halt the FTC ‘s investigative demand, which the agency said was part of an investigation of an advertising boycott of Elon Musk ‘s X. Media Matters  has been a target of Musk, members of the Trump administration and their allies after the group published a piece in 2023 on antisemitic posts on X that appeared next to advertisements from major brands. A number of companies pulled their advertisements from the platform, leading Musk to file what he called a “thermonuclear lawsuit” against the media watchdog.…