Margot Asquith was the wife of Herbert Henry Asquith, the Liberal Prime Minister who led Britain into war in August 1914. Asquith's early war leadership drew praise from all quarters, but in December 1916 he was forced from office in a palace coup and replaced by Lloyd George, whose career he had done so much to promote. Margot had both the literary gifts and the vantage point to create, in her diary of these years, a compelling record of her husband's...