Photo by Zeynep Demir/Anadolu via Getty Images The Labour Party has run Haringey council in north London for more than half a century. While geographically it’s technically one borough over, spiritually we are in Islington, the deep red home of the Corbynistas. Indeed, Momentum seized control of the council in 2018. Reform and the Tories are nowhere to be seen in this lefty urban jungle of tower blocks, corner shops and cycle lanes. This is prime territory for one of the key battles shaping up for this set of local elections: a tired and unpopular governing Labour Party up against the insurgent Greens. A recent poll put eco-populist leader Zack Polanski on track to wrench this corner of Labour’s London heartlands, while YouGov’s latest MRP of the capital shows a nail-bitingly close race. Yet in the midst of this red-green war, tendrils of yellow (or orange – the exact colour is hotly debated) are attempting to creep through.…