Britain's former Prime Minister Baroness Thatcher attends a service to commemorate the 25th anniversary of the liberation of the Falkland Islands from Argentine occupation by British forces, at the Falkand Islands Memorial Chapel at Pangbourne College, Berkshire, southern England, June 14, 2007. REUTERS/Cathal McNaughton/Pool (BRITAIN) 

A rose lays on the memorial stone of former Prime Minister Margaret Thatcher, in the grounds of the the Royal Hospital Chelsea, marking the spot where her ashes were laid to rest following a service in London September 28, 2013. REUTERS/John Stillwell/Pool (BRITAIN - Tags: POLITICS OBITUARY) 

The Reverend Richard Whittington carries an oak casket with the ashes of former Prime Minister Margaret Thatcher, followed by her daughter Carol, son Mark and his wife Sarah, after leaving the chapel, to be laid to rest in the grounds of the Royal Hospital Chelsea, in London September 28, 2013. REUTERS/John Stillwell/Pool (BRITAIN - Tags: POLITICS OBITUARY) 

Mark Thatcher holds a red rose before placing it with the ashes of his mother, former Prime Minister Margaret Thatcher, as her ashes are laid to rest in the grounds of the the Royal Hospital Chelsea, in London September 28, 2013. REUTERS/John Stillwell/Pool (BRITAIN - Tags: POLITICS OBITUARY) 

The cover of the order of service for the interment of the ashes of former Prime Minister Margaret Thatcher, in the grounds of the Royal Hospital Chelsea, in London September 28, 2013. REUTERS/John Stillwell/Pool (BRITAIN - Tags: POLITICS OBITUARY) 

The private ambulance leaves the rear of the Ritz Hotel, where former British Prime Minister Margaret Thatcher had been living, in central London early April 9, 2013. Thatcher, the "Iron Lady" who dominated British politics for two decades, died on Monday following a stroke, a spokesman for her family said. She was 87. REUTERS/Luke MacGregor (BRITAIN - Tags: POLITICS OBITUARY SOCIETY) 

Men erect a screen for privacy as a private ambulance parks next to an entrance of the Ritz Hotel, where former prime minister Margaret Thatcher had been living, in central London late April 8, 2013. Thatcher, the "Iron Lady" who dominated British politics for two decades, died on Monday following a stroke, a spokesman for her family said. She was 87. REUTERS/Neil Hall (BRITAIN - Tags: POLITICS OBITUARY) 

Police stand guard outside an entrance to the Ritz Hotel, where former Prime Minister Margaret Thatcher had been living, in central London April 8, 2013. Thatcher, the "Iron Lady" who dominated British politics for two decades, died on Monday following a stroke, a spokesman for her family said. She was 87. REUTERS/Neil Hall (BRITAIN - Tags: POLITICS OBITUARY SOCIETY) 

Former British Prime Minister Margaret Thatcher smiles from her front doorstep as she returns home after leaving hospital, in London November 1, 2010. Thatcher left hospital on Monday a spokesman said, nearly two weeks after being admitted for tests related to a flu illness. REUTERS/Andrew Winning (BRITAIN - Tags: HEALTH POLITICS) 

Former British Prime Minister Margaret Thatcher waves from her front doorstep as she returns home after leaving hospital, in London November 1, 2010. Thatcher left hospital on Monday a spokesman said, nearly two weeks after being admitted for tests related to a flu illness. REUTERS/Andrew Winning (BRITAIN - Tags: HEALTH POLITICS) 

Former British Prime Minister Margaret Thatcher arrives for a service of thanksgiving and re-dedication on Battle of Britain Sunday at Westminster Abbey in London September 19, 2010. REUTERS/Luke MacGregor (BRITAIN - Tags: ANNIVERSARY MILITARY POLITICS SOCIETY ROYALS CONFLICT) 

Britain's Prime Minister David Cameron poses for a photograph with former Prime Minister Margaret Thatcher outside 10 Downing Street in London June 8, 2010. REUTERS/Suzanne Plunkett (BRITAIN - Tags: POLITICS PROFILE) 

Britain's former Prime Minister Margaret Thatcher looks towards the camera as she meets Prime Minister David Cameron inside 10 Downing Street in London June 8, 2010. REUTERS/Suzanne Plunkett (BRITAIN - Tags: POLITICS PROFILE) 

Former British prime minister Margaret Thatcher attends the State Opening of Parliament at the House of Lords in Westminster, London May 25, 2010. The new British coalition government set out its legislative agenda on Tuesday in a speech delivered by Queen Elizabeth at the state opening of parliament. REUTERS/Arthur Edwards/Pool (BRITAIN - Tags: ROYALS POLITICS ENTERTAINMENT) 

Britain's Prime Minister Gordon Brown (R) speaks with former Prime Minister Margaret Thatcher outside Downing Street in London November 23, 2009. Thatcher was invited to attend the unveiling of a portrait of herself in Downing Street. REUTERS/Toby Melville (BRITAIN POLITICS) 

Britain's Prince Charles (2nd L) and former Prime Minister Margaret Thatcher (2nd R) pose with Chelsea pensioners Dorothy Hughes (L) and Winifred Phillips as they attend the opening of a new infirmary at the Royal Hospital Chelsea in London March 25, 2009. REUTERS/Andrew Winning (BRITAIN POLITICS ROYALS MILITARY SOCIETY IMAGE OF THE DAY TOP PICTURE) 

Britain's former Prime Minister Margaret Thatcher leaves St Thomas' Hospital in London March 8, 2008. The former Prime Minister was taken to the south London hospital on Friday for precautionary medical tests. REUTERS/Luke MacGregor (BRITAIN) 

Britain's former Prime Minister Margaret Thatcher waves at the media as she arrives at her London home in this December 8, 2005 file photo. Thatcher remains in a stable condition after she was admitted to hospital, a spokeswoman for London's St. Thomas's Hospital said on March 8, 2008. REUTERS/Kieran Doherty/Files (BRITAIN) 

Former Ukrainian Prime Minister Yulia Tymoshenko (L) meets former British Prime Minister Margaret Thatcher in London September 20, 2007. REUTERS/Alexander Prokopenko/Pool (BRITAIN) 

Former British Prime Minister Margaret Thatcher (C) and Falklands veterans take part in a march in London, during a service to commemorate the 25th anniversary of the Falkland Islands conflict June 17, 2007. REUTERSAlistair Grant/Pool (BRITAIN) 

Former British Prime Minister Margaret Thatcher attends a reception to celebrate Vera Lynn's 90th birthday at the Imperial war Museum in London March 20, 2007. REUTERS/Kieran Doherty (BRITAIN) 

A bronze statue of former British Prime Minister Margaret Thatcher is seen inside the Palace of Westminster, London, February 21, 2007.Thatcher is the first living ex-prime minister to be honoured in such a way by the Commons. REUTERS/Johnny Green/PA/Pool (BRITAIN) 

File photo of Margaret Thatcher visiting former Chilean dictator Augusto Pinochet in his temporary residence while he was under house arrest at Wentworth, Britain March 26, 1999. Ex-dictator Pinochet, who ruled Chile from 1973-1990 and spent his old age fighting human rights, fraud and corruption charges, died on December 10, 2006, a week after suffering a heart attack, a military doctor said. REUTERS/Pool/Files (BRITAIN) 

Former British Prime Minister Margaret Thatcher arrives for a "Service of Prayer and Remembrance" in honor of the victims of the September 11 attacks at St. John's Episcopal Church in Washington, September 11, 2006. REUTERS/Jim Bourg (UNITED STATES) 

Britain's former Prime Minister Margaret Thatcher arrives for the unveiling of her new portrait by artist Benjamin Shine at the Dorchester Hotel in London August 1, 2006. The piece is made of iron and silk chiffon in reference to her nickname "The Iron lady". REUTERS/Luke MacGregor (BRITAIN) 

Former Prime Minister Margaret Thatcher listens on the third day of the Conservative Party Conference October 9. Thatcher won three elections for the Conservative Party.

BRITAIN CONSERVATIVES 

Former British prime minister and Conservative party leader Baroness Margaret Thatcher arrives for the Service of Thanksgiving for the life and work of former British Prime Minister Sir Edward Heath at Westminster Abbey in London November 8, 2005. Heath, Conservative prime minister from 1970 to 1974, is best known for taking Britain into the European Economic Community, the forerunner of the European Union, during his tenure in Downing Street. REUTERS/Stephen Hird 

Former British Conservative Prime Minister Margaret Thatcher sits on the platform at the party's annual conference, October 6. Thatcher will make a plea today for former Chilean Dictator Augusto Pinochet to be sent home, rather than face extradition to Spain to answer charges of torture and crimes against humanity during his time as Chile's leader.

DC/HP/CLH/HB 

Britain's Queen Elizabeth (L) is greeted by former prime minister Margaret Thatcher as she arrives at Thatcher's 80th birthday celebrations at the Mandarin hotel in London October 13, 2005. REUTERS/Kieran Doherty 

Mark Thatcher, son of former British Prime Minister Margaret Thatcher, leaves court in Cape Town after the court upheld a subpoena forcing him to answer questions under oath concerning allegations of involvement in an attempted coup in Equatorial Guinea, November 24, 2004. The West African country, the continents third biggest oil producer, says it intends applying for his extradition to face charges in that country. REUTERS/Mike Hutchings REUTERS MH/THI 

BRITAIN'S THATCHER SITS WITH DAUGHTER CAROL THATCHER BEFORE FINAL MATCH BETWEEN WILLIAMS OF THE U.S. AND SHARAPOVA OF RUSSIA AT WIMBLEDON. Britain's Baroness Thatcher (L) sits in the Royal Box with her daughter Carol Thatcher before the women's singles final match between top seed Serena Williams of the U.S. and thirteenth seed Maria Sharapova of Russia on Centre Court at the Wimbledon Tennis Championships in London, July 3, 2004. REUTERS/Ian Hodgson 

Former British Prime Minister Margaret Thatcher pay her respects as the casket of former U.S. President Ronald Reagan lies in state in the rotunda of the United States Capitol in Washington, June 9, 2004. The former president's body will lie in state for two days in the Capitol before his formal state funeral on June 11. REUTERS/Jason Reed GMH 

Former U.S. President Ronald Reagan (R) walks with former British Prime Minister Margaret Thatcher (L) during the annual G7 Summit in Toronto in this June, 1988 file photo. Reagan passed away at the age of 93, June 6, 2004. REUTERS/FILES/Gary Hershorn GMH 

Britain's Baroness Thatcher arrives at a dinner in the Savoy Hotel in central London, May 4, 2004, to celebrate 25 years since she became Britain's first female Prime Minister. REUTERS/Kieran Doherty MD/JV 

BRITAIN'S FORMER PRIME MINISTER THATCHER REACTS AS SHE LEAVES A SERVICE OF
REMEMBRANCE FOR HER LATE HUSBAND SIR DENIS THATCHER.

Britain's former Prime Minister Baroness Thatcher shows her emotion as she
leaves a service of remembrance for her late husband Sir Denis Thatcher who
died in June 2003, in London October 30, 2003. Pictures of the month
October 2003. REUTERS/Toby Melville 

Former British Prime Minister Margaret Thatcher waits as her husband Denis' coffin is carried into the Chapel at the Royal Hospital, Chelsea July 3, 2003. [Sir Denis, 88, who had heart surgery in January this year, returned to hospital after feeling unwell two weeks ago and died at Lister Hospital on June 26, 2003.] 

BRITAIN'S BARONESS THATCHER ARRIVES FOR A SERVICE OF THANKSGIVING FOR
LORD JENKINS OF HILLHEAD AT WESTMINSTER ABBEY IN LONDON. 

Britain's Baroness Thatcher reads the order of service surrounded by
empty seats as she waits for Queen Elizabeth to deliver her speech at
the State Opening of Parliament in the House of Lords in London,
November 13, 2002. Plans for a crackdown on crime and anti-social
behaviour were at the heart of the Queen's Speech on November 13, which
also included controversial plans for hospitals, jury trials and
licensing laws. REUTERS/Russell Boyce

RUS/ASA/CMC 

FILE PHOTO - Former Conservative Prime Minister Margaret Thatcher sits
alongside her cabinet members as she attends the Tory Party Conference
in Bournemouth October 12 1994. REUTERS/Ian Waldie

AS 

Lady Margaret Thatcher and her husband Dennis arrive at London's
Westminster Abbey for the funeral of the Queen Mother, April 9, 2002.
Royal dignitaries and politicians from around the world have gathered
at Westminster Abbey to pay their respects to the Queen Mother, who
died on March 30, 2002, aged 101. She will be interred at St George's
Chapel in Windsor next to her late husband King George VI.
REUTERS/Damir Sagolj

ASA/FMS 

Former Prime Minister Baroness Thatcher (L) stands with her husband Dennis in the door of her offices November 22, 2000. Thatcher said on Wednesday that the present government's pledge to contribute troops to a European Union rapid reaction force was a "monumental folly".

RUS/BR 

Former Prime Minister Lady Margaret Thatcher takes her seat at the Conservative Party Conference in Bournemouth October 3, 2000. With opinion polls putting the Conservatives within touching distance of Labour for the first time in eight years, spirits are high at the start of the annual conference. 

Britain's former prime minister Margaret Thatcher makes a statement in support of former [Chilean dictator General Augusto Pinochet outside her Belgravia office, March 2. British Home Secretary Jack Straw today announced that Britain would not proceed with the extradition proceedings against Pinochet, who was arrested in London over 16 months ago at the request of Spain, which wants to try him on torture charges dating from part of his 1973-1990 rule in Chile. Pinochet left Britain today on a jet bound for Chile.] 

Former British Conservative Prime Minister Margaret Thatcher listens [to Conservative candidate for the Mayor of London, Jeffrey Archer ] address his party's conference October 6. [ Thatcher will today make a plea for former Chilean Dictator Augusto Pinochet to be sent home rather than face possible extradition to Spain where he will have to answer charges of torture and crimes against humanity. ]
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Baroness Thatcher poses with a copy of her new book at a launch attended by members of the British-American Chamber of Commerce November 25. The book is entitled "The Collected Speeches of Margaret Thatcher.

BRITAIN THATCHER 

Baroness Thatcher examines a sheet of bullet-proof material during a visit to a factory producing ballistic and blast protection products April 9. Thatcher, on her first day of election campaigning, commented that Britain was giving too much away to Europe.

BRITAIN ELECTION 

Former British Prime Minister Margaret Thatcher speaks at the Keith Joseph Memorial Lecture in the City of London, January 11. The speech was Thatcher's first on domestic politics since she ceased to be Prime Minister five years ago, Thatcher also used the speech to mount an attack on Europe 

Former Prime Minister Margaret Thatcher sits for a 70th birthday photograph at her London home October 13. Thatcher, first British woman prime minister received birthday messages from world leaders 

African National Congress leader Nelson Mandela (R) is greeted by British Prime Minister Margarat Thatcher at 10 Downing Street on July 4, 1990 prior to their talks. Reuters/Russell Boyce 

FILE PHOTO - British Prime Minister Margaret Thatcher (left) smiles as
Chancellor of Exchequer Nigel Lawson receives standing ovation after
his reply on the debate on the economy at Conservative Party Conference
on October 12, 1989. REUTERS/Russell Boyce

THATCHER 

FILE PHOTO - Margaret Thatcher gives the final address of the
Conservative Convention in Brighton on October 14, 1988. Listening are
L to R: Chancellor of the Exchequer Nigel Lawson, Foreign Secretary Sir
Geoffrey Howe, party Chairman Peter Brooke. REUTERS/Andy Clark

BRITAIN 

British Prime Minister Margaret Thatcher walks past flags from some of the European nations as she heads toward the second day of meetings during this summit of European community leaders on June 28, 1988 in Hanover, West Germany. REUTERS/Michael Urban 

British Prime Minister Margaret Thatcher (L) and French President Francois Mitterrand pose for the media after a meeting about nuclear arms control at the Chateau de Benouville in Normandy, western France, March 23, 1987. REUTERS/Charles Platiau (FRANCE) 

British Prime Minister Margaret Thatcher and husband Denis Thatcher outside her residence at 10 Downing Street, London in this undated photo. Thatcher became the longest-serving British Prime Minister on January 3, 1988. Outside 10 Downing Street, she spoke of her pride in this achievement, but refused to comment on former cabinet minister Sir John Nott's appraisal of her 8 years 244 days leadership as being 'over the top'. Reuters/David Osborn/STR KY 

Britain's Prime Minister Margaret Thatcher raises her hand to shield her eyes from media lights December 6, 1986 in London during a news conference at the end of the summit for leaders of the 12-Nation European Community. SCANNED FROM NEGATIVE. REUTERS/Peter Skingley PN 

British Prime Minister Margaret Thatcher listens to a reporter's question during a final news conference before leaving New York on October 24, 1985. Reuters/Chas Cancellare KY 

British Prime Minister Margaret Thatcher holds a three litre bottle of scotch whisky which was presented to her after a tour of a whisky distillery on September 6, 1985. Mrs. Thatcher admitted she liked to relax over a glass of whisky after a day in parliament. UNITED KINGDOM OUT REUTERS/Stringer 

British Prime Minister Margaret Thatcher tags the orchid plant named after her, Dendrobium Margaret Thatcher, at the Botanic Gardens in Singapore on April 8, 1985. REUTERS/Dominic Wong