Former prime ministers John Major and Tony Blair with his wife Cherie as they arrive at Westminster Abbey, central London, ahead of the coronation ceremony of King Charles III and Queen Camilla. Picture date: Saturday May 6, 2023. Andrew Milligan/Pool via REUTERS 

Former prime minister Tony Blair (top, right) and his wife Cherie Blair with former prime minister John Major (bottom, right) leave Westminster Abbey in central London, following King Charles III's coronation ceremony. Picture date: Saturday May 6, 2023. Ben Birchall/Pool via REUTERS 

Former prime minister Tony Blair (top, right) and his wife Cherie Blair with former prime minister John Major (bottom, right) leave Westminster Abbey in central London, following King Charles III's coronation ceremony. Picture date: Saturday May 6, 2023. Ben Birchall/Pool via REUTERS 

Former prime ministers John Major and Tony Blair arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony in Westminster Abbey, in London, Britain May 6, 2023. HUMPHREY NEMAR/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony in Westminster Abbey, in London, Britain May 6, 2023. DAVID LEVENE/Pool via REUTERS 

Former Prime Ministers John Major and Tony Blair look on following Britain's King Charles coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. REUTERS/Phil Noble/Pool 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony in Westminster Abbey, in London, Britain May 6, 2023. DAVID LEVENE/Pool via REUTERS 

Former British Prime Minister John Major walks outside Westminster Abbey ahead of Britain's King Charles' coronation ceremony, in London, Britain May 6, 2023. REUTERS/Dylan Martinez 

Former British Prime Minister John Major walks outside Westminster Abbey ahead of Britain's King Charles' coronation ceremony, in London, Britain May 6, 2023. REUTERS/Dylan Martinez 

Former prime minister Boris Johnson and his wife Carrie Johnson along with John Major and Tony Blair with his wife Cherie Blair attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. MARK LARGE/Pool via REUTERS 

Former prime minister Boris Johnson and his wife Carrie Johnson along with John Major and Tony Blair with his wife Cherie Blair attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. MARK LARGE/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair followed by Gordon Brown and his wife Sarah Brown arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. DAN CHARITY/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair followed by Gordon Brown and his wife Sarah Brown arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. DAN CHARITY/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair followed by Gordon Brown and his wife Sarah Brown arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. DAN CHARITY/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair followed by Gordon Brown and his wife Sarah Brown arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. DAN CHARITY/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie Blair arrive to attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. DAN CHARITY/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie as they arrive at Westminster Abbey, central London, ahead of the coronation ceremony of King Charles III and Queen Camilla. May 6, 2023. Andrew Milligan/Pool via REUTERS 

Former prime ministers John Major and Tony Blair with his wife Cherie as they arrive at Westminster Abbey, central London, ahead of the coronation ceremony of King Charles III and Queen Camilla. May 6, 2023. Andrew Milligan/Pool via REUTERS 

Former prime minister John Major (2nd right) at the coronation ceremony of King Charles III and Queen Camilla in Westminster Abbey, London. Picture date: Saturday May 6, 2023. Aaron Chown/Pool via REUTERS 

Former British Prime Minister John Major walks outside Westminster Abbey ahead of Britain's King Charles' coronation ceremony, in London, Britain May 6, 2023. REUTERS/Dylan Martinez 

Former British Prime Minister John Major arrives to attend Britain's King Charles and Queen Camilla's coronation ceremony at Westminster Abbey, in London, Britain May 6, 2023. REUTERS/Henry Nicholls 

U.S. President Joe Biden and Special Presidential Envoy for Climate John Kerry convene the fourth virtual leader-level meeting of the Major Economies Forum (MEF) on Energy and Climate at the White House in Washington, U.S., April 20, 2023. REUTERS/Kevin Lamarque 

U.S. Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) gesture to the media as they walk to the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

U.S. Senator John Fetterman (D-PA) gestures as he walks with U.S. Senate Majority Leader Chuck Schumer (D-NY) to the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) walk to the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) speak to reporters before the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) speak to reporters before the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) speak to reporters before the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) gestures as he walks with U.S. Senate Majority Leader Chuck Schumer (D-NY) to the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) gesture to the media as they walk to the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) speak to reporters before the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

Senator John Fetterman (D-PA) and U.S. Senate Majority Leader Chuck Schumer (D-NY) speak to reporters before the weekly Democratic caucus luncheon at the U.S. Capitol in Washington, D.C., U.S., April 18, 2023. REUTERS/Sarah Silbiger 

U.S. President Joe Biden is accompanied by U.S. Senators' Cory Booker (D-NJ) and Kirsten Gillibrand (D-NY), and Senate Majority Leader Chuck Schumer (D-NY), as they walk from Marine One to board Air Force One prior to departing for return travel to Washington, at John F. Kennedy International Airport in New York City, U.S., January 31, 2023. REUTERS/Kevin Lamarque 

Members of ESA’s new class of astronauts Meganne Christian, John McFall and Rosemary Coogan pose with astronaut Major Tim Peake during the ESA Council at Ministerial level (CM22) at the Grand Palais Ephemere in Paris, France, November 23, 2022. REUTERS/Benoit Tessier 

U.S. Senate Majority Leader Chuck Schumer meets with Senator-Elects John Fetterman and Peter Welch at the U.S. Capitol building in Washington, U.S., November 15, 2022. REUTERS/Michael Mccoy 

U.S. Senate Majority Leader Chuck Schumer meets with Senator-Elects John Fetterman and Peter Welch at the U.S. Capitol building in Washington, U.S., November 15, 2022. REUTERS/Michael Mccoy 

U.S. Senate Majority Leader Chuck Schumer meets with Senator-Elects John Fetterman and Peter Welch at the U.S. Capitol building in Washington, U.S., November 15, 2022. REUTERS/Michael Mccoy 

U.S. Senate Majority Leader Chuck Schumer meets with Senator-Elect John Fetterman at the U.S. Capitol building in Washington, U.S., November 15, 2022. REUTERS/Michael Mccoy 

Former British Prime Minister David John Major attends the National Service of Remembrance at The Cenotaph, in London, Britain November 13, 2022. Chris Jackson/Pool via REUTERS 

Former British Prime Minister David John Major attends the National Service of Remembrance at The Cenotaph, in London, Britain November 13, 2022. Chris Jackson/Pool via REUTERS 

Former Prime Ministers, Tony Blair, David Cameron, Boris Johnson, John Major and Gordon Brown attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in central London, Britain November 13, 2022. Isabel Infantes/Pool via REUTERS 

Former Prime Ministers, (L-R) Tony Blair, David Cameron, Boris Johnson, John Major and Gordon Brown attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in central London, on November 13, 2022. - Remembrance Sunday is an annual commemoration held on the closest Sunday to Armistice Day, November 11, the anniversary of the end of the First World War and services across Commonwealth countries remember servicemen and women who have fallen in the line of duty since WWI. (Photo by ISABEL INFANTES / POOL / AFP) /Pool via REUTERS 

Britain's Former Prime Ministers Liz Truss, Boris Johnson, Teresa May, David Cameron, Tony Blair, Gordon Brown and John Major attend the National Service Of Remembrance at The Cenotaph, in London, Britain November 13, 2022. Jenny Goodall /Pool via REUTERS 

Former prime ministers Boris Johnson, Theresa May, David Cameron, Gordon Brown, Tony Blair and John Major during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Britain, November 13, 2022. Stefan Rousseau/Pool via REUTERS 

Former prime ministers Tony Blair and John Major during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Britain, November 13, 2022. Stefan Rousseau/Pool via REUTERS 

Former prime ministers Boris Johnson, Theresa May, David Cameron, Gordon Brown, Tony Blair and John Major attend the Remembrance Sunday service at the Cenotaph, in Whitehall, London Britain November 13, 2022. Stefan Rousseau/Pool via REUTERS 

British former Prime Minister John Major, British former Prime Minister Tony Blair, British former Prime Minister Gordon Brown, British former Prime Minister David Cameron, British former Prime Minister Theresa May and British former Prime Minister Liz Truss attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, Britain, November 13, 2022. REUTERS/Henry Nicholls 

British Labour Party leader Keir Starmer, British Prime Minister Rishi Sunak and former British Prime Ministers Tony Blair, John Major, David Cameron and Gordon Brown attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, Britain, November 13, 2022. REUTERS/Henry Nicholls 

British Labour Party leader Keir Starmer, British Prime Minister Rishi Sunak and former British Prime Minister's Tony Blair, John Major, David Cameron and Gordon Brown attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, Britain, November 13, 2022. REUTERS/Henry Nicholls 

British former Prime Minister Liz Truss, British former Prime Minister Boris Johnson, British former Prime Minister Theresa May, British former Prime Minister David Cameron, British former Prime Minister Gordon Brown, British former Prime Minister Tony Blair and British former Prime Minister John Major attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, Britain, November 13, 2022. REUTERS/Toby Melville/Pool 

British former Prime Minister Liz Truss, British former Prime Minister Boris Johnson, British former Prime Minister Theresa May, British former Prime Minister David Cameron, British former Prime Minister Gordon Brown, British former Prime Minister Tony Blair and British former Prime Minister John Major attend the Remembrance Sunday ceremony at the Cenotaph on Whitehall in London, Britain, November 13, 2022. REUTERS/Toby Melville/Pool 

(top row left to right) Chancellor of the Exchequer Kwasi Kwarteng, Deputy Prime Minister Dr Therese Coffey, Hugh O'Leary, Prime Minister Liz Truss, (middle row left to right) Carrie Johnson, Boris Johnson, Philip May, Theresa May, David Cameron, Samantha Cameron, (bottom row left to right) Sarah Brown, Gordon Brown, Cherie Blair, Sir Tony Blair, Lady Norma Major and Sir John Major, attending the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Gareth Fuller/Pool via REUTERS 

Lady Norma and Sir John Major attending the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Gareth Fuller/Pool via REUTERS 

WINDSOR, ENGLAND - SEPTEMBER 19: Norma Major and former British Prime Minister John Major, Prime Minister of Canada Justin Trudeau and Sophie Gregoire arrive for the Committal Service of Queen Elizabeth II at St. George's Chapel on September 19, 2022 in Windsor, England. The committal service at St George's Chapel, Windsor Castle, took place following the state funeral at Westminster Abbey. A private burial in The King George VI Memorial Chapel followed. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Jeff J Mitchell/Pool via REUTERS 

WINDSOR, ENGLAND - SEPTEMBER 19: Norma Major and former British Prime Minister John Major, Prime Minister of Canada Justin Trudeau and Sophie Gregoire arrive for the Committal Service of Queen Elizabeth II at St. George's Chapel on September 19, 2022 in Windsor, England. The committal service at St George's Chapel, Windsor Castle, took place following the state funeral at Westminster Abbey. A private burial in The King George VI Memorial Chapel followed. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Jeff J Mitchell/Pool via REUTERS 

LONDON, ENGLAND - SEPTEMBER 19: Former Prime Minister of the United Kingdom John Major with his wife Norma Major, Hugh O'Leary and current Prime Minister of The United Kingdom, Liz Truss depart Westminster Abbey after the funeral service of Queen Elizabeth II on September 19, 2022 in London, England. Elizabeth Alexandra Mary Windsor was born in Bruton Street, Mayfair, London on 21 April 1926. She married Prince Philip in 1947 and ascended the throne of the United Kingdom and Commonwealth on 6 February 1952 after the death of her Father, King George VI. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Gareth Cattermole/Pool via REUTERS 

LONDON, ENGLAND - SEPTEMBER 19: Former Prime Ministers of the United Kingdom Tony Blair with his wife Cherie Blair, John Major with his wife Norma Major, Hugh O'Leary and current Prime Minister of The United Kingdom, Liz Truss depart Westminster Abbey after the funeral service of Queen Elizabeth II on September 19, 2022 in London, England. Elizabeth Alexandra Mary Windsor was born in Bruton Street, Mayfair, London on 21 April 1926. She married Prince Philip in 1947 and ascended the throne of the United Kingdom and Commonwealth on 6 February 1952 after the death of her Father, King George VI. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Gareth Cattermole/Pool via REUTERS 

LONDON, ENGLAND - SEPTEMBER 19: Former Prime Ministers of the United Kingdom, John Major and Tony Blair with his wife Cherie Blair depart Westminster Abbey after the funeral service of Queen Elizabeth II on September 19, 2022 in London, England. Elizabeth Alexandra Mary Windsor was born in Bruton Street, Mayfair, London on 21 April 1926. She married Prince Philip in 1947 and ascended the throne of the United Kingdom and Commonwealth on 6 February 1952 after the death of her Father, King George VI. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Gareth Cattermole/Pool via REUTERS 

LONDON, ENGLAND - SEPTEMBER 19: Former Prime Ministers of the United Kingdom Tony Blair with his wife Cherie Blair, John Major with his wife Norma Major, Hugh O'Leary and current Prime Minister of The United Kingdom, Liz Truss depart Westminster Abbey after the funeral service of Queen Elizabeth II on September 19, 2022 in London, England. Elizabeth Alexandra Mary Windsor was born in Bruton Street, Mayfair, London on 21 April 1926. She married Prince Philip in 1947 and ascended the throne of the United Kingdom and Commonwealth on 6 February 1952 after the death of her Father, King George VI. Queen Elizabeth II died at Balmoral Castle in Scotland on September 8, 2022, and is succeeded by her eldest son, King Charles III. Gareth Cattermole/Pool via REUTERS 

British Prime Minister Liz Truss, right, walks with former British prime ministers John Major, center, and Tony Blair as the coffin of Queen Elizabeth II is carried out of Westminster Abbey after her State Funeral in central London, Monday, Sept. 19, 2022. The Queen, who died aged 96 on Sept. 8, will be buried at Windsor alongside her late husband, Prince Philip, who died last year. Frank Augstein/Pool via REUTERS