EXPLAINER: Why the British public is not choosing its leader

The door to 10 Downing Street in London, Britain. [AP]

Observers of Britain's governing structure can be forgiven for scratching their heads in recent weeks as they watch the country reel through a succession of prime ministers without holding an election. While the opposition Labour Party is demanding an election, the governing conservatives are pushing on with choosing another prime minister from within their own ranks, which they have the right to do because of the way Britain's parliamentary democracy works.