With Keir Starmer’s impending departure as Prime Minister, the UK is facing yet another PM with Andy Burnham expected to enter Downing Street in a coronation as leader

UK Labour is poised to replace prime ministers, the seventh leadership change in a decade.

June 23, 2016 — the date of the Brexit referendum — remains a seismic moment in the UK’s political history. But the roots of the country’s long period of political instability,…