Floral tributes and messages are left outside the home of former British prime minister Margaret Thatcher in London April 9, 2013. Britain and admirers worldwide are mourning Margaret Thatcher, who has died aged 87, as the "Iron Lady" who rolled back the state and faced down her enemies during 11 years as Britain's first woman prime minister. REUTERS/Toby Melville (BRITAIN - Tags: POLITICS OBITUARY SOCIETY)