Former prime minister Boris Johnson says he had expected David Cameron, having called the Brexit referendum, would have stayed in No 10 to see it through. <br /> <br />His comments came during a conversation with Tom Bradby on ITV1's 'Boris Johnson: The Interview', which airs at 7pm on Friday 4th October. Report by Alibhaiz. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
