<p>With two MPs for parents, Sarah Winterton was one of the proudest women in the country. She felt as though her family was at the centre of events, and her parents, Nicholas and Ann Winterton - respective Members for Macclesfield and Congleton - were truly making a difference at the heart of British politics.<br>But when the Wintertons became caught up in the parliamentary expenses scandal in 2009, Sarah was forced to question some of her longe...