the white house

Sen. Bernie Sanders, I-Vt., speaks about his new book, 'Where We Go From Here: Two Years in the Resistance', at a George Washington University/Politics and Prose event in Washington. (AP Photo/Alex Brandon, File)

Virginia Gov. Ralph Northam, left, accompanied by his wife, Pam, speaks during a news conference in the governor's mansion in Richmond, Va. (AP Photo/Steve Helber)

In this Nov. 7 file photo, CNN journalist Jim Acosta does a standup before a new conference with President Donald Trump in the East Room of the White House in Washington. CNN sued the Trump administration Tuesday, demanding that correspondent Jim Acosta’s credentials to cover the White House be returned because it violates the constitutional right of freedom of the press. (AP Photo/Evan Vucci, File)

In this Feb. 9, 2018 photo, White House Communications Director Hope Hicks is shown during a meeting in the Oval Office between President Donald Trump and Shane Bouvet, in Washington. Hicks, one of President Donald Trump's most loyal aides, is resigning. In a statement, the president praises Hicks for her work over the last three years. He says he 'will miss having her by my side.' The news comes a day after Hicks was interviewed for nine hours by the panel investigating Russia interference in the 2016 election and contact between Trump's campaign and Russia. (AP Photo/Evan Vucci)

Putin boasts of new Russian nuclear weapons

President Barack Obama and former President George W. Bush shake hands as first lady Michelle Obama, and Laura Bush, left, stand by after Bush spoke during a memorial service at the Morton H. Meyerson Symphony Center in Dallas, Tuesday, July 12,2016, for the fallen police officers. Five police officers were killed and several injured during a shooting in downtown Dallas last Thursday night. (AP Photo/Eric Gay)

Former first lady Nancy Reagan speaks in the Capitol Rotunda in Washington, during a ceremony to unveil a statue of President Ronald Reagan. The former first lady has died at 94, The Associated Press confirmed Sunday, March 6, 2016. (Associated Press)

President Barack Obama speaks during a town hall at McKinley Senior High School in Baton Rouge, La., Thursday, Jan. 14, 2016. He confidently said Michelle Obama will not be running for president. (Associated Press)

Parents pick up their children from school early, on Tuesday, Dec. 15, 2015, in Los Angeles. The nation's second-largest school district shut down Tuesday after a school board member received an emailed threat that raised fears of another attack like the deadly shooting in nearby San Bernardino. (Associated Press)