Tory leadership battle: Esther McVey, John McDonnell, Justine Greening and Damian Green.

With Theresa May stepping down, the Conservative leadership contest has started in earnest. Esther McVey is running but Justine Greening is not - Sophy talks to both of them to understand their reasoning.Theresa May's longtime friend and former deputy Damian Green tells us who he is backing. Plus John McDonnell, the Shadow Chancellor, explains how Labour sees it all.