Why are we addicted to changing prime ministers?

Keir Starmer is on the brink, as more and more Labour MPs and ministers call for his resignation – less than two years after he walked into Number 10.He remains defiant (for now), but whatever the fate of the prime minister, his predicament is one we've seen repeated over the past decade in a seemingly never-ending cycle of chopping and changing leaders.Since David Cameron's resignation in 2016 – after Britain voted to leave the European Union – no prime minister has served a full parliamentary term.Gareth Barlow speaks to pollster and founder at Merlin Strategy Scarlett Maguire about our impatience with politics and why the country feels ungovernable.Have you got a question for the show? Email us: why@sky.uk