Why the Greens' Win Matters

34-year-old plumber Hannah Spencer marked her victory in the Gorton and Denton by-election with an apology to her customers, saying: "I think I might have to cancel the work that you had booked in, because I'm heading to Parliament. Is something seismic happening in the Green Party?

This episode was recorded on the 27th of February. Catch James O'Brien weekdays from 10am on LBC.