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US Secretary of State Mike Pompeo, right, and Greek Prime Minister Kyriakos Mitsotakis pose during their visit at the Naval Support Activity base at Souda, on the Greek island of Crete, Tuesday, Sept. 29, 2020. Pompeo visited a U.S. naval base at Souda Bay on the southern Greek island of Crete Tuesday, ahead of a meeting with Greece's prime minister on the second day of his trip to the country. (Aris Messinis/Pool viaAP)

The Templo Mayor archeological site stands in downtown Mexico City, once the Aztec capital of Tenochtitlan, Monday, Sept. 28, 2020. In light of the 2020 COVID-19 pandemic, it remains unclear how much humanity has learned from one of the greatest mass die-offs due to the smallpox epidemic, which gave rise to the first successful vaccine in 1796. (AP Photo/Marco Ugarte)

FILE - This May 26, 2020, file photo shows an Official Democratic General Primary mail-in ballot and secrecy envelope, for the Pennsylvania primary in Pittsburgh. Amid the global pandemic, more people than ever are expected to bypass their polling place and cast absentee ballots for the first time. Voters marking ballots from home could lead to an increase in the kinds of mistakes that typically would be caught by a scanner or election worker at the polls. (AP Photo/Gene J. Puskar, File)

FILE - A couple look at the "Lennon Wall" with a face mask attached to the image of John Lennon, in Prague, Czech Republic, on April 6, 2020. Like so many other events in the year of coronavirus, an annual tribute to John Lennon held in its adopted city of New York will go online. The five-hour event will be streamed for free on Lennon's birthday, October 9, starting at 7 p.m. Eastern time on the LennonTribute.org website. It will feature recorded performances from Patti Smith, Rosanne Cash, Natalie Merchant, Jackson Browne, Jorma Kaukonen and others. (AP Photo/Petr David Josek)

This image released by Disney/Marvel Studios' shows Scarlett Johansson in a scene from "Black Widow." The Walt Disney Co. has further postponed its next mega-movies from Marvel, including "Black Widow," while also postponing Steven Spielberg's "West Side Story" a full year in the company's latest recalibration due to the pandemic. (Marvel Studios/Disney via AP)

FILE - In this Oct. 31, 2018 file photo, a local convenient store worker, hands out candy to trick or treaters on Halloween in Brooklyn Borough of New York. U.S. sales of Halloween candy were up 13% over last year in the month ending Sept. 6, 2020 according to data from market research firm IRI and the National Confectioners Association. (AP Photo/Wong Maye-E)

FILE - In this June 18, 2015 file photo, Van Morrison performs at the 46th annual Songwriters Hall of Fame Induction and Awards Gala in New York. Van Morrison is to release three new songs over the coming weeks that take a swipe at the lockdown restrictions imposed by the British government. In ‘No More Lockdown,’ the Northern Irishman says the curbs “enslave” people, effectively labels the government as “fascist bullies,” condemns celebrities for “telling us what we are supposed to feel” and charges scientists for “making up crooked facts.” (Photo by Evan Agostini/Invision/AP, File)