Topline Elon Musk said U.S. ad revenue for X, formerly known as Twitter, was down 60% in a series of tweets Monday, and blamed it on critical statements from the Anti-Defamation League, going so far as to threaten a lawsuit against the group. Workers install lighting on an "X" sign atop the company headquarters, formerly known as Twitter, in ... [+] downtown San Francisco, on July 28. (AP Photo/Noah Berger) Associated Press Key Facts Musk said that advertisers have told the company they’re receiving pressure from the ADL, a Jewish non-governmental organization that seeks to fight antisemitism and extremism around...