Senator Joni Ernst (R-IA) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Senator. Todd Young, R-IN), and Senate Majority Leader Mitch McConnell (R-KY), also appear. Tom Williams/Pool via REUTERS

Senator John Thune (R-SD) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Tom Williams/Pool via REUTERS

Senator Joni Ernst (R-IA) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Tom Williams/Pool via REUTERS

Senate Majority Leader Mitch McConnell (R-KY) and Senator Todd Young (R-IN) conduct a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Tom Williams/Pool via REUTERS

Senator John Thune (R-SD) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Tom Williams/Pool via REUTERS

Senator Joni Ernst (R-IA) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. In the background (from L), Senators. John Barrasso (R-WY), Todd Young (R-IN), and Senate Majority Leader Mitch McConnell, (R-KY), also appear. Tom Williams/Pool via REUTERS

Senate Majority Leader Mitch McConnell (R-KY) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Also pictured is Sen. John Barrasso (R-WY). Tom Williams/Pool via REUTERS

Senator Roy Blunt (R-MO) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon on Tuesday, December 1, 2020. In the background (from L), Senators John Barrasso, (R-WY), Todd Young, (R-IN), Joni Ernst, (R-IA), and Senate Majority Leader Mitch McConnell (R-KY), also appear. Tom Williams/Pool via REUTERS

Senate Majority Leader Mitch McConnell (R-KY) conducts a news conference in the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S. December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) attends a news conference in the Mansfield Room at the U.S. Capitol in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) and Senator Todd Young (R-IN) attend a news conference in the Mansfield Room at the U.S. Capitol in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senator Joni Ernst (R-IA) attends a news conference in the Mansfield Room at the U.S. Capitol in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) listens as Senator Todd Young (R-IN) speaks during a news conference in the Mansfield Room at the U.S. Capitol in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) talks with reporters following the weekly Republican Senate conference meeting in the Mansfield Room at the U.S. Capitol in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) talks with reporters following the weekly Republican Senate conference meeting in the Mansfield Room at the U.S. Capitol in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) conducts a news conference at the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) attends a news conference at the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) conducts a news conference at the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

U.S. Senate Majority Leader Mitch McConnell (R-KY) conducts a news conference at the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

Senate Majority Leader Mitch McConnell, R-Ky., conducts a news conference at the U.S. Capitol after the Senate Republican Policy luncheon in Washington, U.S., December 1, 2020. Tom Williams/Pool via REUTERS

Cricket - Third International Twenty20 - South Africa v England - Newlands Cricket Ground, Cape Town, South Africa - December 1, 2020 England's Tom Curran takes a catch to dismiss South Africa's Quinton de Kock off the bowling of Chris Jordan REUTERS/Sumaya Hisham

Sen. Tom Cotton, R-Ark., speaks during a Senate Banking Committee hearing on "The Quarterly CARES Act Report to Congress" on Capitol Hill in Washington, U.S., December 1, 2020. Susan Walsh/Pool via REUTERS

Worker Tom Heymans is pictured during a massive logistical operation carrying new vaccines and vaccine candidates for COVID-19 through Brussels International Airport, in Brussels, Belgium, December 1, 2020. REUTERS/Johanna Geron

A rainbow appears over the White House following a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

A rainbow appears over the White House as birds fly nearby following a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

A rainbow appears over the White House as birds fly nearby following a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

Soccer Football - FA Cup Second Round - Canvey Island v Boreham Wood - Frost Hire Stadium, Canvey Island, Britain - November 30, 2020 Boreham Wood's Tom Champion in action with Canvey Island's Tobi Joseph Action Images/Andrew Couldridge

Heavy rain falls over the White House during a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

Heavy rain falls over the White House during a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

The White House is reflected in raindrops during a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

The White House is reflected in raindrops during a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

The North Portico of the White House is reflected in a puddle during a storm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

The North Portico of the White House is seen during a rainstorm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

The North Portico of the White House is seen during a rainstorm in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

A television microphone is covered in plastic during a rainstorm outside of the West Wing of the White House in Washington, U.S., November 30, 2020. REUTERS/Tom Brenner

Cricket - Second International Twenty20 - South Africa v England - Boland Park, Paarl, South Africa - November 29, 2020 England's Tom Curran celebrates taking the wicket of South Africa's Heinrich Klaasen with Chris Jordan REUTERS/Sumaya Hisham

Cricket - Second International Twenty20 - South Africa v England - Boland Park, Paarl, South Africa - November 29, 2020 England's Tom Curran takes a catch to claim the wicket of South Africa's Quinton de Kock REUTERS/Sumaya Hisham

Soccer Football - FA Cup Second Round - Portsmouth v King's Lynn - Fratton Park, Portsmouth, Britain - November 28, 2020 Portsmouth's Tom Naylor celebrates scoring their second goal with teammates Action Images/Paul Childs

A pedestrian passes by hotel rooms selectively illuminated in the shape of a heart at the Washington Hilton hotel on Thanksgiving day in Washington, U.S., November 26, 2020. REUTERS/Tom Brenner

A pedestrian passes by hotel rooms selectively illuminated in the shape of a heart at the Washington Hilton hotel on Thanksgiving day in Washington, U.S., November 26, 2020. REUTERS/Tom Brenner

Hotel rooms are selectively illuminated in the shape of a heart at the Washington Hilton hotel on Thanksgiving day in Washington, U.S., November 26, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

A general view of St Austell, amid the outbreak of coronavirus (COVID-19), in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

A general view of St Austell, amid the outbreak of coronavirus (COVID-19), in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

A person walks, amid the outbreak of coronavirus (COVID-19) in St Austell, Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

General view of the beach, amid the outbreak of coronavirus (COVID-19) in Pentewan, Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

A person walks a dog at the beach, amid the outbreak of coronavirus (COVID-19) in Pentewan, Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

People enjoy the beach, amid the outbreak of coronavirus (COVID-19) in Pentewan, Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

General view of Mevagissey, amid the outbreak of coronavirus (COVID-19) in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

A boat sails into the harbour in Mevagissey, amid the outbreak of coronavirus (COVID-19) in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

People take a walk in Mevagissey, amid the outbreak of coronavirus (COVID-19) in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

People talk in Mevagissey, amid the outbreak of coronavirus (COVID-19) in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

General view of Mevagissey, amid the outbreak of coronavirus (COVID-19) in Cornwall, Britain, November 26, 2020. REUTERS/Tom Nicholson

Protective roadway barriers sit in the middle of Black Lives Matter Plaza near the White House in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

Pedestrians take photographs and examine signs of protest on display along H Street at Black Lives Matter Plaza in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

Pedestrians walk along H Street at Black Lives Matter Plaza near the White House in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

Chef Jose Andres looks on as U.S. Vice President-elect Kamala Harris (not pictured) speaks to cooks and chefs outside of the D.C. Central Kitchen building near Capitol Hill in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

A person looks out of a window as U.S. Vice President-elect Kamala Harris departs from the D.C. Central Kitchen building near Capitol Hill in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

D.C. Central Kitchen cooks and chefs put on protective face masks before meeting U.S. Vice President-elect Kamala Harris outside of the D.C. Central Kitchen building near Capitol Hill in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

U.S. Vice President-elect Kamala Harris speaks to D.C. Central Kitchen cooks and chiefs, next to her husband Doug Emhoff, outside of the D.C. Central Kitchen building near Capitol Hill in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner

U.S. Vice President-elect Kamala Harris speaks to D.C. Central Kitchen cooks and chiefs outside of the D.C. Central Kitchen building near Capitol Hill in Washington, U.S., November 25, 2020. REUTERS/Tom Brenner