John McDonnell is a British Labour Party politician who was appointed the Shadow Chancellor of the Exchequer in September 2015. He became the Member of Parliament (MP) for Hayes an...mehr sehenJohn McDonnell is a British Labour Party politician who was appointed the Shadow Chancellor of the Exchequer in September 2015. He became the Member of Parliament (MP) for Hayes and Harlington at the 1997 general election, and has retained his seat from then onwards.weniger sehen