Elon Musk's social media company X, formerly known as Twitter, filed a lawsuit against liberal advocacy group Media Matters for America on Monday, saying it manufactured a report to show advertisers' posts alongside neo-Nazi and white nationalist posts in order to "drive advertisers from the platform and destroy X Corp." Advertisers have been fleeing X over concerns about their ads showing up next to pro-Nazi content — and hate speech on the site in general — while billionaire owner Musk has inflamed tensions with his own posts endorsing an antisemitic conspiracy theory. IBM, NBCUniversal and its parent company Comcast said...