Presidential candidates Sen. Amy Klobuchar; Sound Bend, Ind., Mayor Pete Buttigieg; Sen. Elizabeth Warren; former U.S. Vice President Joe Biden; and Sen. Bernie Sanders stand onstage for the Democratic presidential debate on Wednesday. Elijah Nouvelage/Bloomberg via Getty Images hide caption

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Philip Reeker, acting assistant secretary of state for Europe, arrives Oct. 26 for a closed-door interview at the Capitol in Washington, D.C. Jose Luis Magana/AP hide caption

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Two male turkeys from North Carolina named Bread and Butter hang out in their hotel room at the Willard InterContinental Hotel in Washington, D.C., ahead of Tuesday's pardoning. Jacquelyn Martin/AP hide caption

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Mark Sandy, a career employee in the White House Office of Management and Budget, testified in the House impeachment inquiry on Nov. 16. J. Scott Applewhite/AP hide caption

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A voter casts a ballot in Louisville, Ky., this month. Long-serving election officials around the country are retiring ahead of the 2020 election, which could be among the most challenging to administer in the country's history. John Sommers II/Getty Images hide caption

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On Monday, a federal judge ruled that former White House counsel Don McGahn must testify to House lawmakers who have subpoenaed him, in the face of White House orders that McGahn not comply. Above, McGahn arrives for an event at the Justice Department in May. Andrew Harnik/AP hide caption

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Former President Barack Obama has been taking a more vocal role in the 2020 presidential primary recently, and there's a fierce debate over whether any candidate can reconstruct the multiracial coalition that he built in 2008. Michael Sohn/AP hide caption

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Sen. Bernie Sanders, I-Vt., and Sen. Elizabeth Warren, D-Mass., are proposing to forgive student debt for most Americans. They greet each other at a Democratic primary debate in July. Paul Sancya/AP hide caption

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Pins and bumper stickers of presidential contenders in the New Hampshire primary are displayed in the State House visitors center in Concord, N.H. Charles Krupa/AP hide caption

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President Trump, Vice President Pence and first lady Melania Trump present Conan, the military working dog injured in the successful operation targeting Islamic State leader Abu Bakr al-Baghdadi, before the media in the Rose Garden at the White House on Monday. Evan Vucci/AP hide caption

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House Intelligence Committee Chairman Adam Schiff, D-Calif., leaves during a break in testimony of the House Intelligence Committee on Capitol Hill in Washington. Jacquelyn Martin/AP hide caption

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Former New York City Mayor Michael Bloomberg is making a late entry into the Democratic presidential primary, less than three months before voters begin to cast ballots. John Locher/AP hide caption

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Secretary of the Navy Richard Spencer has been pushed out over his handling of the case of a Navy SEAL accused of war crimes. Spencer is seen here testifying during a Senate Armed Services Committee hearing in April. Alex Edelman/Getty Images hide caption

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Supreme Court Justice Ruth Bader Ginsburg was released from the hospital Sunday after being admitted for chills and fever two days earlier. Ginsberg is seen here in July. Alex Wong/Getty Images hide caption

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New documents show Secretary of State State Mike Pompeo had contact with President Trump's personal lawyer Rudy Giuliani weeks before the U.S. Ambassador to Ukraine was recalled. Markus Schreiber/AP hide caption

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Vice President Mike Pence and Secretary of State Mike Pompeo speak to reporters in Ankara, Turkey after a hastily-arranged meeting with Turkish President Recep Tayyip Erdogan on Oct. 17, 2019 over Turkey's offensive in Syria. Jacquelyn Martin/AP hide caption

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Fiona Hill, the National Security Council's former senior director for Europe and Russia, and David Holmes, an official from the U.S. Embassy in Ukraine, testified in the House impeachment inquiry Thursday. Matt McClain/Pool/Getty Images hide caption

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Trump ally Sen. Lindsey Graham shared that White House officials are still holding out hope that the president may not get impeached by the House of Representatives. J. Scott Applewhite/AP hide caption

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Crime in Progress: Inside the Steele Dossier and the Fusion GPS Investigation of Donald Trump, by Glenn Simpson and Peter Fritsch Random House hide caption

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Ukrainian President Volodymyr Zelenskiy shakes hands with Vice President Pence in Warsaw, Poland, on Sept. 1. Petr David Josek/AP hide caption

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Former White House national security aide Fiona Hill and David Holmes, a U.S. diplomat in Ukraine, return from a break to continue their testimony before the House Intelligence Committee on Thursday. Andrew Harnik/AP hide caption

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