The Greens are struggling to deal with antisemitism in their ranks, their leader has been rebuked by the Met police commissioner, and a rise in the opinion polls has stalled. It will only get harder from here, says John Rentoul T he green shine is coming off the Zack Polanski bandwagon. I wrote the other day that the Greens would run into many of the same problems as Nigel Farage’s Reform after both parties make stunning advances ahead of next week’s English local and Scottish and Welsh