A demonstrator holds a sign depicting George Floyd who died in Minneapolis police custody, during a "Get Your Knee Off Our Necks" March on Washington 2020 in support of racial justice, next to the Washington Monument, in Washington, U.S., August 28, 2020. REUTERS/Leah Millis

A sign depicting depicting George Floyd, who died in Minneapolis police custody, is pictured as demonstrators take part in "Get Your Knee Off Our Necks" March on Washington 2020 in support of racial justice, next to the Washington Monument, in Washington, U.S., August 28, 2020. REUTERS/Leah Millis

A sign depicting depicting George Floyd, who died in Minneapolis police custody, is pictured as demonstrators take part in "Get Your Knee Off Our Necks" March on Washington 2020 in support of racial justice, next to the Washington Monument, in Washington, U.S., August 28, 2020. REUTERS/Leah Millis

Protestors stand in the middle of the Lincoln Memorial reflecting pool in front of the Washington Monument as families of people killed by police address the "Get Your Knee Off Our Necks" Commitment March on Washington 2020 on the spot where Rev. Martin Luther King Jr delivered his "I Have a Dream" speech 57 years ago today in Washington, U.S., August 28, 2020. REUTERS/Tom Brenner

Protestors stand in the middle of the Lincoln Memorial reflecting pool in front of the Washington Monument as families of people killed by police address the "Get Your Knee Off Our Necks" Commitment March on Washington 2020 on the spot where Rev. Martin Luther King Jr delivered his "I Have a Dream" speech 57 years ago today in Washington, U.S., August 28, 2020. REUTERS/Tom Brenner

Protestors stand in the middle of the Lincoln Memorial reflecting pool in front of the Washington Monument as the family of George Floyd, who was killed in police custody in Minneapolis, address the "Get Your Knee Off Our Necks" Commitment March on Washington 2020 on the spot where Rev. Martin Luther King Jr delivered his "I Have a Dream" speech 57 years ago today in Washington, U.S., August 28, 2020. REUTERS/Tom Brenner

Crowds pack the sides of the Lincoln Memorial reflecting pool, with the Washington Monument reflected in the water, as thousands of protestors gather for the "Get Your Knee Off Our Necks" Commitment March on Washington 2020, held on the 57th anniversary of Rev. Martin Luther King Jr.'s "I Have a Dream" speech, in support of racial justice in Washington, U.S., August 28, 2020. REUTERS/Tom Brenner

People line up in front of the Washington Monument before the "Get Your Knee Off Our Necks" march in support of racial justice that is expected to gather protestors from all over the country in Washington, U.S., August 28, 2020. REUTERS/Andrew Kelly

A view of the Washington Monument during preparations for the 'Get Your Knee Off Our Necks' march in support of racial justice, at the Lincoln Memorial, in Washington, U.S., August 28, 2020. Michael M. Santiago/Pool via REUTERS

A view of the Washington Monument during preparations for the 'Get Your Knee Off Our Necks' march in support of racial justice, at the Lincoln Memorial, in Washington, U.S., August 28, 2020. Michael M. Santiago/Pool via REUTERS

Donald Trump campaign fireworks explode behind the Washington Monument as demonstrators hold signs during a protest in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly

U.S. President Donald Trump, first lady Melania Trump and members of their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. . REUTERS/Carlos Barria

U.S. President Donald Trump, first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. . REUTERS/Carlos Barria

Donald Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly

Donald Trump campaign fireworks explode behind the Washington Monument as demonstrators hold signs during a protest in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly TPX IMAGES OF THE DAY

Trump campaign fireworks explode behind the Washington Monument as seen from the South Lawn of the White House after U.S. President Donald Trump delivered his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention on the South Lawn of the White House in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

Donald Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly

Trump campaign fireworks explode behind the Washington Monument as seen from the South Lawn of the White House after U.S. President Donald Trump delivered his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention on the South Lawn of the White House in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

Trump campaign fireworks explode behind the Washington Monument as seen from the South Lawn of the White House after U.S. President Donald Trump delivered his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention on the South Lawn of the White House in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

Donald Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly

U.S. President Donald Trump grabs one of his grandchildren as he, U.S. first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Donald Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly

A protester stands in the middle of Constitution Avenue with Trump campaign fireworks exploding behind the Washington Monument behind her in Washington, U.S. August 27, 2020. REUTERS/Leah Millis

Donald Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Andrew Kelly

U.S. President Donald Trump, first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

U.S. President Donald Trump, first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

U.S. President Donald Trump grabs one of his grandchildren as he, U.S. first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

Protesters watch from Constitution Avenue as Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Leah Millis

Protesters watch from Constitution Avenue as Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Leah Millis

U.S. President Donald Trump grabsone of his grandchildren as he, U.S. first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

U.S. President Donald Trump, first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

Protesters watch from Constitution Avenue as Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Leah Millis

Protesters watch from Constitution Avenue as Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Leah Millis

A protester watches from Constitution Avenue as Trump campaign fireworks explode behind the Washington Monument in Washington, U.S. August 27, 2020. REUTERS/Leah Millis TPX IMAGES OF THE DAY

U.S. President Donald Trump, first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque

U.S. President Donald Trump, first lady Melania Trump and their extended family watch Trump campaign fireworks explode behind the Washington Monument from the South Lawn of the White House after his acceptance speech as the 2020 Republican presidential nominee during the final event of the Republican National Convention in Washington, U.S., August 27, 2020. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

A protester stands in the middle of Constitution Avenue with Trump campaign fireworks exploding behind the Washington Monument behind her in Washington, U.S. August 27, 2020. REUTERS/Leah Millis

Angela Kasey takes a knee in silence while holding the American flag at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists hold American flags at sunrise in silence to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

An activist holds his hand over his heart in silence while holding American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Diane Randall stands in silence while holding American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Diane Randall stands in silence while holding American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

Activists stand with American flags at sunrise to memorialize victims of the coronavirus disease (COVID-19) outbreak, near the Washington Monument in Washington, U.S., August 27, 2020. REUTERS/Tom Brenner

A person is silhouetted in the reflecting pool with the Washington Monument visible in the distance at the Lincoln Memorial in Washington, U.S., July 30, 2020. REUTERS/Leah Millis

A person is silhouetted in the reflecting pool with the Washington Monument visible in the distance at the Lincoln Memorial in Washington, U.S., July 30, 2020. REUTERS/Leah Millis

A person sits in front of the reflecting pool as rain pours down with the Washington Monument visible in the distance at the Lincoln Memorial in Washington, U.S., July 30, 2020. REUTERS/Leah Millis

Visitors rest against the Washington monument as flags are lowered to half-staff, following the death of Congressman John Lewis (D-GA), on the National Mall in Washington, U.S. July 18, 2020. REUTERS/Tom Brenner

The flags surrounding the Washington Monument are lowered to half-staff following the death of Congressman John Lewis (D-GA), on the National Mall in Washington, U.S. July 18, 2020. REUTERS/Tom Brenner

The flags surrounding the Washington Monument are lowered to half-staff following the death of Congressman John Lewis (D-GA), on the National Mall in Washington, U.S. July 18, 2020. REUTERS/Tom Brenner

The flags surrounding the Washington Monument are lowered to half-staff following the death of Congressman John Lewis (D-GA), on the National Mall in Washington, U.S. July 18, 2020. REUTERS/Tom Brenner

The flags surrounding the Washington Monument are lowered to half-staff following the death of Congressman John Lewis (D-GA), on the National Mall in Washington, U.S. July 18, 2020. REUTERS/Tom Brenner

Smoke from a nearby fire is seen beside the Washington Monument, amid the coronavirus disease (COVID-19) outbreak, in Washington, U.S., July 15, 2020. REUTERS/Tom Brenner

Smoke from a nearby fire is seen beside the Washington Monument, amid the coronavirus disease (COVID-19) outbreak, in Washington, U.S., July 15, 2020. REUTERS/Tom Brenner