If anyone's thinking to spend the weekend fantasising about a left split from Labour, here's an updated summary of why it's crazy ... 1/ Labour is the only route to a left government in Britain. Even Podemos ended up in power as junior partners to PSOE...

2/ 56% support for Scottish independence and Labour on 13% in Holyrood polls mean 2024 is the last chance saloon. If Scotland is out of the UK there'll have to be something akin to the US Democrats, or Popular Front in 36 - until the demographics change

3/ The culture/values conflict is unavoidable and will be intensified inside any left party. Trans rights, migration, Brexit - all the issues that divide the Labour left would divide anything to the left of it: so then there'd be two left alternatives...

4/ What we need is an organised left alliance in the Labour Party - bigger than the SCG and Momentum and based around policy and activism... instead we get the self-defeating project of disaffiliating Unite slice by slice...

5/ The scale of the Covid and climate crises mean even traditional social-democrats are having to re-think - just as French liberals did in the 1930s. That means an anti-capitalist left in Labour has to engage constructively...