This combination of pictures shows President Trump during the first presidential debate with Democratic presidential candidate former Vice President Biden at Case Western Reserve University and Cleveland Clinic in Cleveland. Saul Loeb/AFP via Getty Images hide caption
The sun rises over the detention facility at the Guantánamo Bay U.S. Naval Base in Cuba, in this May 13, 2009, photo reviewed by the U.S. military. Brennan Linsley/AP hide caption
Chairman of the Senate Judiciary Committee Sen. Lindsey Graham, R-S.C., holds a hearing on Wednesday on the FBI's investigation of the 2016 Trump campaign and Russian election interference. Stefani Reynolds/Pool/Getty Images hide caption
Michael Flynn, President Trump's former national security adviser, leaves federal court with lawyer Sidney Powell in September 2019. Manuel Balce Ceneta/AP hide caption
Doris "Dorie" Miller, U.S. Navy mess attendant 2nd class, became one of the first American heroes of World War II for his actions during the Japanese attack on Pearl Harbor. U.S. Navy/National Archives hide caption
Michael Flynn, President Trump's former national security adviser, leaves the federal court following a status conference with Judge Emmet Sullivan in Washington, D.C., on Sept. 10, 2019. Manuel Balce Ceneta/AP hide caption
Democratic presidential candidate Joe Biden speaks at the Black Economic Summit at Camp North End in Charlotte, N.C., on Wednesday. In a letter, nearly 500 national security experts have endorsed Joe Biden for president. Jim Watson/AFP via Getty Images hide caption
House Speaker Nancy Pelosi, pictured on Sept. 17. Jacquelyn Martin/AP hide caption
H.R. McMaster, then U.S. national security adviser, attends a joint press conference of President Trump and Baltic heads of state at the White House in April 2018. Cheriss May/NurPhoto via Getty Images hide caption
President Trump and H.R. McMaster walk toward Marine One on the South Lawn of the White House in Washington, D.C., on June 16, 2017. Andrew Harrer/Bloomberg via Getty Images hide caption
President Trump said he approved a deal struck with U.S. companies Oracle and Walmart to keep TikTok alive, but the agreement does not accomplish what the president sought to achieve. Sheldon Cooper/SOPA Images/LightRocket via Getty Images hide caption
U.S. Park Police and other federal officers hold a perimeter near the White House on June 1 as demonstrators gather to protest the killing of George Floyd. Olivier Douliery/AFP via Getty Images hide caption
House Homeland Security Committee member Rep. Dan Crenshaw, R-Texas, questions witnesses during a hearing Thursday on threats to the United States. Chip Somodevilla/Getty Images hide caption