<p>Prime Minister's Questions is the bear pit of British politics. Watched and admired around the world, it is often hated at home for bringing out the worst in our politicians. Yet despite successive leaders trying to get away from Punch and Judy politics, it's here to stay.<br>Ayesha Hazarika and Tom Hamilton spent five years preparing Ed Miliband for the weekly joust, living through the highs and lows, tension and black humour of the...