Britain's Prime Minister Boris Johnson gestures, during a press conference on the final day of the G7 summit in Carbis Bay, Cornwall, England, Sunday June 13, 2021. (Ben Stansall/Pool Photo via AP)

President Joe Biden speaks during a news conference after attending the G-7 summit, Sunday, June 13, 2021, at Cornwall Airport in Newquay, England. Biden is en route to Windsor, England, to meet with Queen Elizabeth II, and then on to Brussels to attend the NATO summit. (AP Photo/Patrick Semansky)

Leaders of the G7 pose for a group photo on overlooking the beach at the Carbis Bay Hotel in Carbis Bay, St. Ives, Cornwall, England, Friday, June 11, 2021. Leaders from left, Canadian Prime Minister Justin Trudeau, European Council President Charles Michel, U.S. President Joe Biden, Japan's Prime Minister Yoshihide Suga, British Prime Minister Boris Johnson, Italy's Prime Minister Mario Draghi, French President Emmanuel Macron, European Commission President Ursula von der Leyen and German Chancellor Angela Merkel. (AP Photo/Patrick Semansky, Pool)

President Joe Biden speaks during a news conference after attending the G-7 summit, Sunday, June 13, 2021, at Cornwall Airport in Newquay, England. Biden is en route to Windsor, England, to meet with Queen Elizabeth II, and then on to Brussels to attend the NATO summit. (AP Photo/Patrick Semansky)

Protestors wearing giant heads portraying G7 leaders participate in a demonstration on a beach outside the G7 meeting in St. Ives, Cornwall, England, Sunday, June 13, 2021. Leaders of the G7 wrap up three days of meetings in Carbis Bay Sunday, in which they discussed such topics as COVID-19, climate, foreign policy and the economy. Leaders portrayed from left, U.S. President Joe Biden, Japan's Prime Minister Yoshihide Suga, British Prime Minister Boris Johnson and German Chancellor Angela Merkel. (AP Photo/Jon Super)

Protestors wearing giant heads portraying G7 leaders pose after a demonstration on a beach outside the G7 meeting in St. Ives, Cornwall, England, Sunday, June 13, 2021. Leaders of the G7 wrap up three days of meetings in Carbis Bay Sunday, in which they discussed such topics as COVID-19, climate, foreign policy and the economy. Leaders portrayed from left, Japan's Prime Minister Yoshihide Suga, French President Emmanuel Macron, German Chancellor Angela Merkel, Canadian Prime Minister Justin Trudeau, U.S. President Joe Biden and British Prime Minister Boris Johnson. (AP Photo/Jon Super)

Protestors wear giant heads portraying the leaders of the G7 as they play with bubbles during a demonstration on a beach outside the G7 meeting in St. Ives, Cornwall, England, Sunday, June 13, 2021. Leaders of the G7 wrap up three days of meetings in Carbis Bay Sunday, in which they discussed such topics as COVID-19, climate, foreign policy and the economy. Leaders portrayed from left, British Prime Minister Boris Johnson, French President Emmanuel Macron, Japan's Prime Minister Yoshihide Suga, German Chancellor Angela Merkel, U.S. President Joe Biden and Canadian Prime Minister Justin Trudeau. (AP Photo/Jon Super)

A woman walks over a sea wall on a beach outside the G7 meeting in St. Ives, Cornwall, England, Sunday, June 13, 2021. Leaders of the G7 wrap up three days of meetings in Carbis Bay Sunday, in which they discussed such topics as COVID-19, climate, foreign policy and the economy. (AP Photo/Jon Super)

Protestors and others gather on the beach outside the G7 meeting in St. Ives, Cornwall, England, Sunday, June 13, 2021. Leaders of the G7 wrap up three days of meetings in Carbis Bay Sunday, in which they discussed such topics as COVID-19, climate, foreign policy and the economy. (AP Photo/Jon Super)

First lady Jill Biden turns around to show the word "love" on the back of her jacket as she speaks with reporters after visiting with Carrie Johnson, wife of British Prime Minister Boris Johnson, ahead of the G-7 summit, Thursday, June 10, 2021, in Carbis Bay, England. (AP Photo/Patrick Semansky)

Protestors wearing giant heads portraying G7 leaders swim in the water during a demonstration outside the G7 meeting in St. Ives, Cornwall, England, Sunday, June 13, 2021. Leaders of the G7 wrap up three days of meetings in Carbis Bay Sunday, in which they discussed such topics as COVID-19, climate, foreign policy and the economy. Leaders portrayed from left, U.S. President Joe Biden, French President Emmanuel Macron, British Prime Minister Boris Johnson, Japan's Prime Minister Yoshihide Suga, German Chancellor Angela Merkel and Canadian Prime Minister Justin Trudeau. (AP Photo/Jon Super)

Britain's Prime Minister Boris Johnson speaks, during a press conference on the final day of the G7 summit in Carbis Bay, Cornwall, England, Sunday June 13, 2021. (Ben Stansall/Pool Photo via AP)