The Green Party has tabled a motion at Spring Conference seeking to make the party anti-Zionist, triggering a major political debate in UK politics. Right, so the Green Party has accepted a motion for its Spring Conference saying that Zionism is racism. It’s in the system. It’s got a number. It’s on the agenda. And that’s the bit people weren’t expecting, because this is the argument that’s supposed to stay outside. You can shout about it, march about it, argue about it online - just not put it through the rules. That’s how this has worked for years. And now it hasn’t. Because the moment it goes through procedure, the safety net goes. You can’t say it’s settled anymore. You can’t say it’s unsayable. All you can say is it shouldn’t be there. And that’s not an argument. That’s panic. Because once it’s inside the rules, you either deal with it - or  ...