President Donald Trump speaks before signing an executive order aimed at curbing protections for social media giants, in the Oval Office of the White House, Thursday, May 28, 2020, in Washington. (AP Photo/Evan Vucci)

House Speaker Nancy Pelosi of Calif., speaks during a news conference on Capitol Hill in Washington, Thursday, May 28, 2020. (AP Photo/Carolyn Kaster)

FILE - This April 26, 2017, file photo shows the Twitter app icon on a mobile phone in Philadelphia. Twenty-six words tucked into a 1996 law overhauling telecommunications have allowed companies like Facebook, Twitter and Google to grow into the giants they are today. Those are the words President Donald Trump challenged in an executive order Thursday, May 28, 2020 one that would strip those protections if those companies engaged in “editorial decisions” — like, for instance, adding a fact-check warning to one of Trump's tweets. (AP Photo/Matt Rourke, File)

President Donald Trump holds up a copy of the New York Post as speaks before signing an executive order aimed at curbing protections for social media giants, in the Oval Office of the White House, Thursday, May 28, 2020, in Washington. (AP Photo/Evan Vucci)

FILE - In this Oct. 11, 2017, file photo, MSNBC television anchor Joe Scarborough takes questions from an audience at forum at the John F. Kennedy School of Government, on the campus of Harvard University, in Cambridge, Mass. The husband of a woman who died accidentally in an office of then-GOP Rep. Joe Scarborough two decades ago is demanding that Twitter remove President Donald Trump’s tweets suggesting Scarborough murdered her. (AP Photo/Steven Senne, File)

White House press secretary Kayleigh McEnany speaks during a briefing at the White House, Thursday, May 28, 2020, in Washington. (AP Photo/Evan Vucci)

President Donald Trump speaks before signing an executive order aimed at curbing protections for social media giants, in the Oval Office of the White House, Thursday, May 28, 2020, in Washington. (AP Photo/Evan Vucci)

President Donald Trump holds up a copy of the New York Post as speaks before signing an executive order aimed at curbing protections for social media giants, in the Oval Office of the White House, Thursday, May 28, 2020, in Washington, as Attorney General William Barr watches. (AP Photo/Evan Vucci)