As Theresa May's premiership gets very close to the end, we talk about who and what might be coming next. Can her successor re-establish the authority she has lost? Can anyone govern in this parliament or do we need a general election? Is the age of long-serving prime ministers also coming to an end? Plus we discuss what lessons can be drawn from the recent election in Australia: what does it tell us about the politics of climate change? With Helen Thompson and Chris Brooke.