A supporter gestures at the presidential limousine as U.S. President Donald Trump departs for the airport on campaign travel at Trump National Doral Miami in Miami, Florida, U.S., October 29, 2020. REUTERS/Jonathan Ernst

Democratic U.S. presidential nominee and former Vice President Joe Biden holds an umbrella as he departs on campaign travel to Florida at the airport in New Castle, Delaware, U.S., October 29, 2020. REUTERS/Brian Snyder

Democratic U.S. presidential nominee and former Vice President Joe Biden holds an umbrella next to his granddaughter Natalie as he departs on campaign travel to Florida at the airport in New Castle, Delaware, U.S., October 29, 2020. REUTERS/Brian Snyder

A staff member moves a barrier at the Thaiwoo ski resort near skiing venues of the 2022 Winter Olympics in the Chongli district of Zhangjiakou, Hebei province, China, October 29, 2020. REUTERS/Thomas Peter

A member of the medical personnel working for NAAB Ambulance wearing personal protective equipment (PPE) travels with a one-year-old in an ambulance, amid the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium October 28, 2020. REUTERS/Yves Herman

A member of the medical personnel working for NAAB Ambulance wearing personal protective equipment (PPE) travels with a one-year-old in an ambulance, amid the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium October 28, 2020. REUTERS/Yves Herman

U.S. President Donald Trump waves as he boards Air Force One to depart on campaign travel to Arizona, at McCarran International Airport in Las Vegas, Nevada, U.S., October 28, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump waves as he boards Air Force One to depart on campaign travel to Arizona, at McCarran International Airport in Las Vegas, Nevada, U.S., October 28, 2020. REUTERS/Jonathan Ernst

A restaurant wishes a happy Halloween with a bat at its door during the coronavirus disease (COVID-19) outbreak, in downtown Lisbon, Portugal October 28, 2020. REUTERS/Rafael Marchante

People walk near Rossio station during the coronavirus disease (COVID-19) outbreak, in downtown Lisbon, Portugal October 28, 2020. REUTERS/Rafael Marchante

A man rests on a bench at Rossio square during the coronavirus disease (COVID-19) outbreak, in downtown Lisbon, Portugal October 28, 2020. REUTERS/Rafael Marchante

A man works in a restaurant kitchen while waiting for customers during the coronavirus disease (COVID-19) outbreak, in downtown Lisbon, Portugal October 28, 2020. REUTERS/Rafael Marchante

Passengers wearing protective face masks travel on a subway train as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a subway train as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a tram as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a tram as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a subway train as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a tram as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a tram as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Passengers wearing protective face masks travel on a tram as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 28, 2020. REUTERS/Guglielmo Mangiapane

Synchronized swimmers perform during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

Customers stand in line to enter the Circa Resort & Casino before it opens in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A customer photographs the entrance as he lines up to enter the Circa Resort & Casino prior to its opening in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A showgirl greets guests during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

Synchronized swimmers perform during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A busker dressed as a clown looks on as customers line up to enter the Circa Resort & Casino prior to its opening in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

Circa owner Derek Stevens, center, and his wife Nicole Parthum watch the first roll of dice on a craps table during the Circa Resort & Casino grand opening in Las Vegas, Nevada, U.S. October 28, 2020. REUTERS/David Becker

A customer plays a slot machine during the Circa Resort & Casino grand opening in Las Vegas, Nevada, U.S. October 28, 2020. REUTERS/David Becker

A baccarat dealer waits for customers during the Circa Resort & Casino grand opening in Las Vegas, Nevada, U.S. October 28, 2020. REUTERS/David Becker

Customers play blackjack during the Circa Resort & Casino grand opening in Las Vegas, Nevada, U.S. October 28, 2020. REUTERS/David Becker

U.S. Secretary of State Mike Pompeo and his wife Susan board an aircraft to travel to Maldives, in Colombo, Sri Lanka October 28, 2020. Eranga Jayawardena/Pool via REUTERS

A casino dealer displays her branded face mask during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

Guests celebrate inside Saginaw Delicatessen at the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A Lego sculpture of Circa owner Derek Stevens is displayed during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

Guests kiss near the neon figure of "Vegas Vickie" during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A chandelier with the phrase "The time of your life" is displayed during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

Guests attend the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A bartender tends the Mega Bar during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A casino dealer waits at her blackjack table prior to the official opening of the Circa Resort & Casino during a grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A casino dealer waits at her blackjack table prior to the official opening of the Circa Resort & Casino during a grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A picture taken with a fisheye lens show a view of the three-story Circa Sportsbook is seen during the Circa Resort & Casino grand opening event in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A hearse carrying the body of Lee Kun-hee, leader of Samsung Group, travels at a hospital in Seoul, South Korea, October 28, 2020. REUTERS/Heo Ran

A hearse carrying the body of Lee Kun-hee, leader of Samsung Group, travels at a hospital in Seoul, South Korea, October 28, 2020. REUTERS/Heo Ran

A hearse carrying the body of Lee Kun-hee, leader of Samsung Group, travels at a hospital in Seoul, South Korea, October 28, 2020. REUTERS/Heo Ran

A hearse carrying the body of Lee Kun-hee, leader of Samsung Group, travels at a hospital in Seoul, South Korea, October 28, 2020. REUTERS/Heo Ran

A picture taken with a fisheye lens shows the Circa Resort and Casino tower ahead of its inauguration in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A picture taken with a fisheye lens shows the Circa Resort and Casino tower on the skyline of downtown Las Vegas ahead of its inauguration, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A sign welcomes the newly built Circa Resort and Casino ahead of its inauguration in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

The Circa Resort and Casino tower is seen on the skyline of downtown Las Vegas ahead of its inauguration, Nevada, U.S. October 27, 2020. REUTERS/David Becker

The Circa Resort and Casino tower is seen on the skyline of downtown Las Vegas ahead of its inauguration, Nevada, U.S. October 27, 2020. REUTERS/David Becker

The Circa Resort and Casino tower is seen on the skyline of downtown Las Vegas ahead of its inauguration, Nevada, U.S. October 27, 2020. REUTERS/David Becker

A balloon center piece celebrating the grand opening is delivered to the Circa Resort and Casino ahead of its inauguration in Las Vegas, Nevada, U.S. October 27, 2020. REUTERS/David Becker

U.S. President Donald Trump greets visitors as he departs for campaign travel from the South Lawn at the White House in Washington, U.S., October 27, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump greets supporters as he departs for campaign travel from the South Lawn at the White House in Washington, U.S., October 27, 2020. REUTERS/Tom Brenner

An insect buzzes U.S. President Donald Trump as he speaks to reporters before boarding Air Force One for travel to campaign events in Michigan, Wisconsin and Nebraska from Joint Base Andrews, Maryland, U.S. October 27, 2020. REUTERS/Jonathan Ernst

An insect hovers nearby as U.S. President Donald Trump talks to reporters before boarding Air Force One as he departs Washington for campaign travel to Michigan at Joint Base Andrews, Maryland, U.S., October 27, 2020. REUTERS/Jonathan Ernst

U.S. first lady Melania Trump listens as President Donald Trump speaks to reporters before boarding Air Force One for campaign travel to Michigan, Wisconsin and Nebraska from Joint Base Andrews, Maryland, U.S. October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump approaches reporters with first lady Melania Trump as they depart Washington for campaign travel at Joint Base Andrews, Maryland, U.S., October 27, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump talks to reporters with first lady Melania Trump while boarding Air Force One as they depart Washington for campaign travel at Joint Base Andrews, Maryland, U.S., October 27, 2020. REUTERS/Jonathan Ernst

An insect buzzes U.S. President Donald Trump as he talks to reporters before boarding Air Force One for campaign travel to Michigan at Joint Base Andrews, Maryland, U.S., October 27, 2020. REUTERS/Jonathan Ernst