Democratic U.S. presidential nominee and former Vice President Joe Biden walks towards two workers waiting at an aluminum forge as he tours Wisconsin Aluminum Foundry before delivering remarks at a campaign event in the factory in Manitowoc, Wisconsin, U.S., September 21, 2020. REUTERS/Mark Makela

A woman holds a placard reading "Teachers should teach, not forge papers" as people take part in a rally against presidential election results near the Ministry of Education in Minsk, Belarus August 25, 2020. REUTERS/Vasily Fedosenko

U.S. President Donald Trump speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

An aide carries three boxes of pizza that U.S. President Donald Trump had just picked up at a pizza restaurant in Old Forge, Pennsylvania aboard Air Force One for the flight back to Washington at Wilkes-Barre Scranton International Airport in Avoca, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump holds a pizza that he had just been handed at the take away counter of the Arcaro and Genell Restaurant during the president's campaign visit to Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump looks at a pizza that he had just been handed at the take away counter of the Arcaro and Genell Restaurant as a U.S. Secret Service agent looks on during the presidents campaign visit to Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump looks at a pizza that he had just been handed at the take away counter of the Arcaro and Genell Restaurant as a U.S. Secret Service agent looks on while the president campaigns for re-election during a visit to Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump holds a pizza that he had just been handed at the take away counter of the Arcaro and Genell Restaurant as a U.S. Secret Service agent looks on while the president campaigns for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

U.S. President Donald Trump holds a pizza in a box that he had just been handed at the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump opens and looks at the pizza in a pizza box that he had just been handed at the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump opens and looks at the pizza in a pizza box that he had just been handed at the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump points outside Arcaro and Genell restaurant, after attending a campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

U.S. President Donald Trump opens a pizza box that he had just been handed at the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump holds a pizza that he had just been handed at the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump holds a pizza that he had just been handed at the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump visits the take away counter of the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump is seen outside Arcaro and Genell restaurant, after attending a campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY

U.S. President Donald Trump is seen outside Arcaro and Genell restaurant, after attending a campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

U.S. President Donald Trump is seen outside Arcaro and Genell restaurant, after attending a campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

U.S. President Donald Trump is seen outside Arcaro and Genell restaurant, after attending a campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

U.S. President Donald Trump visits the Arcaro and Genell Restaurant while campaigning for re-election in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

A supporter of U.S. President Donald Trump, wearing a MAGA (Make America Great Again) protective face mask because of the coronavirus disease (COVID-19) outbreak, listens to the president speak to supporters at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump looks out at his crowd of supporters, socially distanced because of the coronavirus disease (COVID-19) pandemic, during a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump speaks in front of a "JOBS! JOBS! JOBS!" banner at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump's son Eric Trump listens to another attendee during a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

A supporter of U.S. President Donald Trump pulls his protective face mask aside as he listens to the president speak to supporters socially distanced because of the coronavirus disease (COVID-19) outbreak at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

A supporter of U.S. President Donald Trump with his protective face mask pulled aside listens to the president speak to supporters socially distanced because of the coronavirus disease (COVID-19) outbreak at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump arrives to speak to supporters at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

A supporter of U.S. President Donald Trump listens as he speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

Supporters of U.S. President Donald Trump applaud his arrival while sitting socially distanced because of the coronavirus disease (COVID-19) pandemic at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump speaks at an outdoor Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

A supporter of U.S. President Donald Trump listens as he speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

Supporters of U.S. President Donald Trump react as he speaks at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump speaks to supporters at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

Supporters of U.S. President Donald Trump wait to hear him speak at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. Secret Service agents stand at their posts waiting for U.S. President Donald Trump to appear at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

Supporters of U.S. President Donald Trump wait to hear him speak at a Trump re-election campaign event at Mariotti Building Products in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Tom Brenner

Supporters of U.S. President Donald Trump attend a campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

Supporters of U.S. President Donald Trump cheer as he arrives at a campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

Supporters of U.S. President Donald Trump cheer as he arrives at a campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

U.S. President Donald Trump boards Air Force One as he departs on campaign travel to Old Forge, Pennsylvania at Joint Base Andrews, Maryland, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump boards Air Force One as he departs on campaign travel to Old Forge, Pennsylvania at Joint Base Andrews, Maryland, U.S., August 20, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump boards Air Force One as he departs on campaign travel to Old Forge, Pennsylvania at Joint Base Andrews, Maryland, U.S., August 20, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump boards Air Force One as he departs on campaign travel to Old Forge, Pennsylvania at Joint Base Andrews, Maryland, U.S., August 20, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump arrives in a presidential limousine prior to boarding Air Force One as he departs on campaign travel to Old Forge, Pennsylvania at Joint Base Andrews, Maryland, U.S., August 20, 2020. REUTERS/Tom Brenner

Supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY

A flag in support of U.S. President Donald Trump placed on deer horns in front of a car is pictured as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton

A man holds a sign in support of Democratic presidential nominee Joe Biden as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY

Supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton?

A woman reflects in the mirror of a motorbike as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton? ?

A woman holds a sign in support of Democratic presidential nominee Joe Biden as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton
 


Cardboard figures depicting U.S. President Donald Trump are pictured as his supporters gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton?

Campaign signs are pictured as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton?

Cardboard figures depicting U.S. President Donald Trump and and First Lady Melania Trump are pictured as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S., August 20, 2020. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY

Supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton?

Supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton?

A child arranges flags as supporters of U.S. President Donald Trump gather ahead of his campaign stop in Old Forge, Pennsylvania, U.S. August 20, 2020. REUTERS/Shannon Stapleton