Today is the day the four remaining candidates for Conservative party leader will be hoping for their David Cameron moment. Nearly two decades ago, the fresh-faced MP for Witney delivered a speech to the party faithful without notes. And in doing so, thrust himself into the leadership and, ultimately, Downing Street.
So, it is a chance for each candidate to impress, before it is MPs who take part in the new round of voting on October 9 and 10, with the final two facing party members. Of course, it is also a moment of potential peril.
