Does Polanski have to go? Greens at the crossroads after Holborn and St Pancras

Pressure is building on the party leader after byelection defeat, a damaging row over Zionism and polls that show him less popular than Nigel Farage When Zack Polanski addressed his campaigners flush with victory after the Gorton and Denton byelection in February, he declared: “Labour’s electoral stranglehold is over.” The election of Hannah Spencer as the new Green MP for the Greater Manchester s…