''Extremely liberal'', so much so that ''he probably won't open the North Sea'' to oil exploration. These are the first words American President Donald Trump chose to describe Andy Burnham, a candidate to succeed British Prime Minister Keir Starmer as leader of the Labour Party

Burnham was a popular mayor of Greater Manchester, overseeing a period of rapid regeneration for the city in northern England.

If Burnham’s planned leadership bid remains unchallenged, he could replace Starmer in a matter of weeks and it will likely fall on him to heal the rift between Washington and…