A crowd of members of the public gathers outside the gates of Walter Reed National Military Medical Center as the Marine One helicopter with U.S. President Donald Trump aboard lands after the White House announced that he "will be working from the presidential offices at Walter Reed for the next few days" after testing positive for the coronavirus disease (COVID-19), in Bethesda, Maryland, U.S., October 2, 2020. REUTERS/Joshua Roberts

Rugby Union - European Rugby Challenge Cup Quarter Final - Bristol Bears v Dragons - Ashton Gate Stadium, Bristol, Britain - September 18, 2020 Dragons' Jamie Roberts in action Action Images via Reuters/Andrew Couldridge

A combination picture shows U.S. President Donald Trump associates (L-R, top) George Papadopoulos, a former member of the foreign policy panel to Donald Trump's 2016 presidential campaign, in New York, New York, U.S., March 26, 2019, Rick Gates, former campaign aide to U.S. President Donald Trump, in Washington, U.S., December 11, 2017, Former Trump campaign chairman Paul Manafort in New York, U.S., June 27, 2019; (bottom) Michael Cohen, the former lawyer for U.S. President Donald Trump in New York City, New York, U.S., May 4, 2019, Former national security adviser General Michael Flynn in Washington, U.S., February 1, 2017 and Roger Stone, former campaign adviser to U.S. President Donald Trump, in Washington, U.S., November 6, 2019. REUTERS/Carlo Allegri/Joshua Roberts/Eduardo Munoz/Yana Paskova/Carlos Barria/Tom Brenner

American Airlines planes are parked at the gate during the coronavirus disease (COVID-19) outbreak at Ronald Reagan National Airport in Washington, U.S., April 5, 2020. REUTERS/Joshua Roberts

A member of a ground crew walks past American Airlines planes parked at the gate during the coronavirus disease (COVID-19) outbreak at Ronald Reagan National Airport in Washington, U.S., April 5, 2020. REUTERS/Joshua Roberts

Soccer Football - Championship - Bristol City v Leeds United - Ashton Gate Stadium, Bristol, Britain - March 9, 2019 Leeds United's Tyler Roberts in action with Bristol City's Adam Webster Action Images/Adam Holt EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

A Brookline Police Officer is seen talking on the phone in front of the gate at the residence of Robert Kraft, owner of the NFL Super Bowl-winning New England Patriots, in Chestnut Hills, Massachusetts, U.S., February 22, 2019. REUTERS/Faith Ninivaggi

A man rides his bicycle past gates blocking the road leading to Haynes Point in East Potomac Park on the 22nd day of a partial government shutdown in Washington, U.S., January 12, 2019. REUTERS/Joshua Roberts

A man rides his bicycle in front of gates blocking the road leading to Haynes Point in East Potomac Park on the 22nd day of a partial government shutdown in Washington, U.S., January 12, 2019. REUTERS/Joshua Roberts

Women run near gates blocking the road leading to Haynes Point in East Potomac Park on the 22nd day of a partial government shutdown in Washington, U.S., January 12, 2019. REUTERS/Joshua Roberts

A man walks near gates blocking the road leading to Haynes Point in East Potomac Park on the 22nd day of a partial government shutdown in Washington, U.S., January 12, 2019. REUTERS/Joshua Roberts

Former Defense Secretary Robert Gates and former CIA Director William Webster depart following the State Funeral for former President George H.W. Bush at the National Cathedral, Wednesday, Dec. 5, 2018, in Washington. Andrew Harnik/Pool via REUTERS

Former Vice President Dan Quayle, former CIA Director Robert Gates, former CIA Director William Webster, former National Security advisor Condoleezza Rice walk behind the casket of former president George Herbert Walker Bush down the center isle following a memorial ceremony at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. Doug Mills/Pool via REUTERS

Former Vice President Dan Quayle, former CIA Director Robert Gates, former CIA Director William Webster walk behind the casket of former president George Herbert Walker Bush down the center isle following a memorial ceremony at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. Doug Mills/Pool via REUTERS

Former Vice President Dan Quayle, former CIA Director Robert Gates, former CIA Director William Webster, former National Security advisor Condoleezza Rice, former Polish President Lech Walesa walk behind the casket of former president George Herbert Walker Bush down the center isle following a memorial ceremony at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. Doug Mills/Pool via REUTERS

Former Vice President Dan Quayle, former CIA Director Robert Gates, former CIA Director William Webster, former National Security advisor Condoleezza Rice, former Polish President Lech Walesa walk behind the casket of former president George Herbert Walker Bush down the center isle following a memorial ceremony at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. Doug Mills/Pool via REUTERS

Rugby Union - Premiership - Bristol Bears vs Bath Rugby - Ashton Gate Stadium, Bristol, Britain - August 31, 2018 Bristol's Will Hurrell in action with Bath's Jamie Roberts and Francois Louw Action Images/Andrew Boyers

Rugby Union - Premiership - Bristol Bears vs Bath Rugby - Ashton Gate Stadium, Bristol, Britain - August 31, 2018 Bath's Jamie Roberts gestures Action Images/Andrew Boyers

Paul Manafort (L), former campaign chairman for U.S. President Donald Trump, in Washington, DC, U.S., December 11, 2017, and Rick Gates, former campaign aide to Trump, in Washington, U.S., December 11, 2017 are pictured in this combination photograph. REUTERS/Joshua Roberts/File Photo

Mar 3, 2018; Chicago, IL, USA; Xavier Musketeers forward Kaiser Gates (22) blocks a shot against DePaul Blue Demons guard Justin Roberts (0) during the first half at the Wintrust Arena. Mandatory Credit: Patrick Gorski-USA TODAY Sports

Rick Gates, former campaign aide to U.S. President Donald Trump, departs after a bond hearing at U.S. District Court in Washington, U.S., December 11, 2017. REUTERS/Joshua Roberts

Rick Gates, former campaign aide to U.S. President Donald Trump, departs after a bond hearing at U.S. District Court in Washington, U.S., December 11, 2017. REUTERS/Joshua Roberts

Rick Gates, former campaign aide to U.S. President Donald Trump, departs after a bond hearing at U.S. District Court in Washington, U.S., December 11, 2017. REUTERS/Joshua Roberts

Rick Gates, former campaign aide to U.S. President Donald Trump, arrives for a bond hearing at U.S. District Court in Washington, U.S., December 11, 2017. REUTERS/Joshua Roberts

Rick Gates, former campaign aide to U.S. President Donald Trump, departs after a bond hearing at U.S. District Court in Washington, U.S., November 6, 2017. REUTERS/Joshua Roberts

Rick Gates, former campaign aide to U.S. President Donald Trump, arrives for a bond hearing at U.S. District Court in Washington, U.S., November 6, 2017. REUTERS/Joshua Roberts

Rick Gates, former campaign aide to U.S. President Donald Trump, arrives for a bond hearing at U.S. District Court in Washington, U.S., November 6, 2017. REUTERS/Joshua Roberts

Burned vehicles are seen at the front gate of the Makala prison after it was attacked by supporters of jailed Christian sect leader Ne Muanda Nsemi in Kinshasa, Democratic Republic of the Congo May 17, 2017. REUTERS/Robert Carrubba

Security personnel sitting on a truck watch burned vehicles at the front gate of the Makala prison after it was attacked by supporters of jailed Christian sect leader Ne Muanda Nsemi in Kinshasa, Democratic Republic of the Congo May 17, 2017. REUTERS/Robert Carrubba

Women stand in front of a traditional wooden gate after the Epiphany Mass, in Bogdan Voda, Romania, January 6, 2017. Doctor Andrada Ganea works in the town as a family doctor, while her husband, doctor Robert Ganea, works in nearby villages. REUTERS/Andreea Campeanu SEARCH "CAMPEANU HEALTH" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

Former Secretary of Defense Robert Gates testifies to support retired General John Kelly before a Senate Homeland Security and Governmental Affairs Committee confirmation hearing on Kelly’s nomination to be Secretary of the Department of Homeland Security on Capitol Hill in Washington, U.S., January 10, 2017. REUTERS/Joshua Roberts

Former Defence Secretary Robert Gates departs after meeting with U.S. President-elect Donald Trump at Trump Tower in New York, U.S., December 2, 2016. REUTERS/Mike Segar

Former Defense Secretary Robert Gates arrives for a meeting with U.S. President-elect Donald Trump at Trump Tower in New York, U.S., December 2, 2016. REUTERS/Mike Segar

Former Defense Secretary Robert Gates arrives for a meeting with U.S. President-elect Donald Trump at Trump Tower in New York, U.S., December 2, 2016. REUTERS/Mike Segar

Retired U.S. Army Lieutenant General Michael Flynn (R) speaks to former U.S. Defense Secretary Robert Gates by the elevators as he arrives at Trump Tower, where U.S. President-elect Donald Trump lives, in New York, U.S., December 1, 2016. REUTERS/Mark Kauzlarich

Presidential Medal of freedom recipients comedian Ellen DeGeneres, actor Robert De Niro, physicist Richard Garwin, Bill and Melinda Gates (L-R) applaud during a Presidential Medal of Freedom ceremony in the White House East Room in Washington, U.S., November 22, 2016. REUTERS/Yuri Gripas

U.S. Senator Hillary Rodham Clinton (D-NY) listens as Defense Secretary nominee Robert Gates testifies before the U.S. Senate Armed Services Committee during his confirmation hearing on Capitol Hill in Washington, December 5, 2006. REUTERS/Jim Young/File Photo FROM THE FILES PACKAGE "THE CANDIDATES" - SEARCH CANDIDATES FILES FOR ALL 90 IMAGES

A memorial of flowers and photos are placed outside a gate at Marlins Park in honor of Miami Marlins starting pitcher Jose Fernandez who was killed in a boating accident in Miami, Florida, September 25, 2016. Mandatory Credit: Robert Mayer-USA TODAY Sports/File Photo

Waves crash against a sea wall in San Francisco Bay beneath the Golden Gate Bridge in San Francisco, California December 16, 2014. REUTERS/Robert Galbraith/File Photo GLOBAL BUSINESS WEEK AHEAD PACKAGE SEARCH BUSINESS WEEK AHEAD 10 OCT FOR ALL IMAGES

Britain Soccer Football - Bristol City v Leeds United - Sky Bet Championship - Ashton Gate - 16/17 - 27/9/16
Leeds' Robert Green
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Sep 25, 2016; Miami, FL, USA; A memorial of flowers and photos are placed outside a gate at Marlins Park in honor of Miami Marlins starting pitcher Jose Fernandez who was killed in a boating accident. The game between the Atlanta Braves and Marlins was cancelled. Mandatory Credit: Robert Mayer-USA TODAY Sports

Britain Rugby Union - Bristol Rugby v Exeter Chiefs - Aviva Premiership - Ashton Gate - 23/9/16
Bristol's Martin Roberts receives medical attention after he sustained an injury
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Britain Rugby Union - Bristol Rugby v Exeter Chiefs - Aviva Premiership - Ashton Gate - 23/9/16
Bristol's Martin Roberts receives medical attention after he sustained an injury
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Britain Rugby Union - Bristol Rugby v Exeter Chiefs - Aviva Premiership - Ashton Gate - 23/9/16
Bristol's Martin Roberts receives medical attention after he sustained an injury
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Britain Rugby Union - Bristol Rugby v Exeter Chiefs - Aviva Premiership - Ashton Gate - 23/9/16
Bristol's Martin Roberts receives medical attention after he sustained an injury
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Delta Airlines planes are parked at gates after the airlines computer systems crashed leaving passengers stranded as flights were grounded globally at Ronald Reagan Washington National Airport in Washington, U.S., August 8, 2016. REUTERS/Joshua Roberts

A Delta Airlines plane taxis past others parked at gates after the airlines computer systems crashed leaving passengers stranded as flights were grounded globally at Ronald Reagan Washington National Airport in Washington, U.S., August 8, 2016. REUTERS/Joshua Roberts

Delta Airlines planes are parked at gates after the airlines computer systems crashed leaving passengers stranded as flights were grounded globally at Ronald Reagan Washington National Airport in Washington, U.S., August 8, 2016. REUTERS/Joshua Roberts

A Delta Airlines are parked at gates after the airlines computer systems crashed leaving passengers stranded as flights were grounded globally at Ronald Reagan Washington National Airport in Washington, U.S., August 8, 2016. REUTERS/Joshua Roberts

People smoke marijuana joints at 4:20 p.m. as thousands of marijuana advocates gather in Golden Gate Park in San Francisco, California April 20, 2012. Supporters of a drive to legalize recreational marijuana for adults in California said on Wednesday they had collected more than enough signatures to qualify the measure for the November ballot, formally launching their campaign to win over voters. REUTERS/Robert Galbraith/File photo

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Reuters President and Editor-in-Chief Steve Adler speaks with Bill Gates, co-chair of the Bill & Melinda Gates Foundation, during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks with Reuters President and Editor-in-Chief Steve Adler during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks with Reuters President and Editor-in-Chief Steve Adler during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, speaks during a discussion on innovation hosted by Reuters in Washington, U.S., April 18, 2016. REUTERS/Joshua Roberts