Ffion Hague's 2008 book 'The Pain and the Privilege' was about the relationships of which British Prime minister?

Ffion Llywelyn Hague, Lady Hague of Richmond (born February 1968) is a Welsh broadcaster, author and former civil servant, who first became well known as the wife of conservative politician William Hague. Born Ffion Jenkins in Cardiff, she is a native Welsh speaker and hit the news when she was selected to teach the language to her future husband when he was Secretary of State for Wales. She is the younger sister of Manon Antoniazzi, who served as the assistant private secretary for the Prince of Wales and is now Chief Executive and Clerk to the National Assembly for Wales.

Ffion is also a published author best known for her biography of David Lloyd George, entitled 'The Pain and the Privilege: The Women in Lloyd George's Life'. For S4C, she presented the series Mamwlad (2012),Tri Lle (2010) and Dwy Wraig Lloyd George (2009). She has also presented programmes for BBC Radio 3 and BBC Radio 4.