Tory leadership race latest: who's declared?

As more Conservative MPs declare their intentions to run for the Tory leadership, James Heale speaks to Katy Balls and Conservative peer Paul Goodman about the runners and riders. What can they learn from previous leadership elections? Who will play well with the members and the public at large? And what will the dividing lines be between the candidates? 
 
Produced by Patrick Gibbons.