Twitter fact-checks Trump; he threatens new regs or shutdown

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)

President Donald Trump and first lady Melania Trump walk on the South Lawn of the White House in Washington, Wednesday, May 27, 2020, before boarding Marine One for a short trip to Andrews Air Force Base, Md. Trump is traveling to Kennedy Space Center, Fla., for the launch of a rocket ship built by the SpaceX company, putting NASA back in the business of launching astronauts from U.S. soil for the first time in nearly a decade. (AP Photo/Andrew Harnik)

President Donald Trump and first lady Melania Trump arrive at Andrews Air Force Base, Md., Wednesday, May 27, 2020, after traveling to Florida. (AP Photo/Evan Vucci)