Boris Johnson has only a few months left as leader of the Conservative party. <br /> <br />His resignation means an election within the Tory party will soon be underway to choose the next British prime minister. <br /> <br />But with so many developments in recent months, and even days, the front-runners for the top job have changed too. Report by Braybrooks. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
