Former British Prime Minister, <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Margaret+Thatcher&family=editorial&specificpeople=159677 ng-click='$event.stopPropagation()'>Margaret Thatcher</a> waves to the press at her home after leaving Cromwell Hospital on November 1, 2010 in London, England. Baroness Thatcher was admitted to hospital 12 days ago after contracting flu, she missed a party at Downing Street on October 14, 2010 to celebrate her 85th birthday because of her illness.