U.S. State Department Spokesman Ned Price takes questions during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price faces reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price addresses reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

U.S. State Department Spokesman Ned Price speaks to reporters during a news briefing at the State Department in Washington, U.S., March 1, 2021. REUTERS/Tom Brenner/Pool

White House press secretary Jen Psaki listens as U.S. Department of Homeland Security Secretary Alejandro Mayorkas speaks during a press briefing at the White House in Washington, U.S., March 1, 2021. REUTERS/Kevin Lamarque     

U.S. Department of Homeland Security Secretary Alejandro Mayorkas speaks during a press briefing at the White House in Washington, U.S., March 1, 2021. REUTERS/Kevin Lamarque     

U.S. Department of Homeland Security Secretary Alejandro Mayorkas holds a press briefing at the White House in Washington, U.S., March 1, 2021. REUTERS/Kevin Lamarque     

U.S. Department of Homeland Security Secretary Alejandro Mayorkas speaks during a press briefing at the White House in Washington, U.S., March 1, 2021. REUTERS/Kevin Lamarque     

Xu Guixiang, deputy head of Xinjiang's publicity department attends a news conference in Beijing, China December 21, 2020. Picture taken December 21, 2020. REUTERS/Carlos Garcia Rawlins

Xu Guixiang, deputy head of Xinjiang's publicity department holds a copy of a booklet, as he speaks during a news conference in Beijing, China December 21, 2020. Picture taken December 21, 2020. REUTERS/Carlos Garcia Rawlins

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie, from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie (not pictured), from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie (not pictured), from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie (not pictured), from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie, from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott

CNN reporter Jim Acosta departs the Conservative Political Action Conference (CPAC) after after being confronted by hecklers in Orlando, Florida, U.S. February 27, 2021. REUTERS/Octavio Jones

U.S. President Joe Biden and first lady Jill Biden disembark Marine One to board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden salutes while he and first lady Jill Biden board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and first lady Jill Biden arrive aboard Marine One to board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden arrives to board Air Force One as he departs Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and first lady Jill Biden arrive to board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and first lady Jill Biden arrive to board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and first lady Jill Biden arrive to board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden waves while boarding Air Force One as he departs Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

Marine One carrying U.S. President Joe Biden and first lady Jill Biden departs from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

Marine One carrying U.S. President Joe Biden and first lady Jill Biden departs from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden and first lady Jill Biden board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and first lady Jill Biden board Air Force One as they depart Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and first lady Jill Biden walk to Marine One as they depart for Wilmington, Delaware, from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden and first lady Jill Biden walk to Marine One as they depart for Wilmington, Delaware, from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden waves while boarding Air Force One as he departs Washington for a trip to Delaware, at Joint Base Andrews, Maryland, U.S., February 27, 2021. REUTERS/Erin Scott

U.S. President Joe Biden stops to speak to the media as he departs for Wilmington, Delaware, from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden and first lady Jill Biden walk to Marine One as they depart for Wilmington, Delaware, from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden and first lady Jill Biden walk to Marine One as they depart for Wilmington, Delaware, from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden and first lady Jill Biden walk to Marine One as they depart for Wilmington, Delaware, from White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden departs after speaking after the House of Representatives passed his $1.9 trillion coronavirus relief package in the Roosevelt Room of the White House in Washington, U.S., February 27, 2021. REUTERS/Joshua Roberts

U.S. President Joe Biden and first lady Jill Biden board Air Force One as they depart Texas to return to the White House, at Ellington Field Joint Reserve Base in Houston, Texas, U.S., February 26, 2021. REUTERS/Jonathan Ernst

U.S. President Joe Biden and first lady Jill Biden board Air Force One as they depart Texas to return to the White House, at Ellington Field Joint Reserve Base in Houston, Texas, U.S., February 26, 2021. REUTERS/Jonathan Ernst

U.S. Secretary of State Antony Blinken walks off after a news conference at the State Department in Washington, DC, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken walks out to speak during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken speaks during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken speaks during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken speaks during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken speaks during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken speaks during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

U.S. Secretary of State Antony Blinken speaks during a news conference at the State Department in Washington, February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

Canadian Foreign Minister Marc Garneau who is in Ottawa, Canada is seen speaking through a video monitor to State Secretary Antony Blinken during a virtual meeting at the State Department in Washington, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

Secretary of State Antony Blinken speaks during a virtual meeting with Canadian Foreign Minister Marc Garneau who is in Ottawa, Canada, at the State Department in Washington, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

Secretary of State Antony Blinken speaks during a virtual meeting with Canadian Foreign Minister Marc Garneau who is in Ottawa, Canada, at the State Department in Washington, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

Secretary of State Antony Blinken speaks during a virtual meeting with Canadian Foreign Minister Marc Garneau who is in Ottawa, Canada, at the State Department in Washington, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

Secretary of State Antony Blinken speaks during a virtual meeting with Canadian Foreign Minister Marc Garneau who is in Ottawa, Canada, at the State Department in Washington, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS

Secretary of State Antony Blinken speaks during a virtual meeting with Canadian Foreign Minister Marc Garneau who is in Ottawa, Canada, at the State Department in Washington, U.S. February 26, 2021. Manuel Balce Ceneta/Pool via REUTERS