His Shadow Defence Secretary, Shadow Foreign Secretary and Shadow Home Secretary publicly disagree with him.
The Labour leader suffers from the stultifying political environment in which he has spent the last thirty years.
Corbyn has retreated on NATO and the EU, been slapped down on Trident, and now his Shadow Chancellor has delivered a speech the old leadership could have written.
It looks so far as if Labour MPs have managed to slip a leash on their boss’s radical instincts. Has he realised he can’t overcome them, or was it merely a tactical retreat?
Appearing on stage with the First Minister, the pressure group’s Director conveniently neglected to mention the SNP’s assault on freedom.
If the party is fool or coward enough to chase the SNP onto its philosophical home ground, it is just teeing itself up for annihilation.
The new Labour leader is easily mocked. But he has done us the service of expressing, in Parliament, a widespread mood of febrile dissatisfaction.
It’s no surprise that he plans a massive centralisation programme, regardless of the cost to children or taxpayers.
From the Falklands to the Middle East, he’s reliably on the wrong side.
From opposing the benefits cap to seeking to squeeze more tax out of small businesses, his ideas would destroy jobs.
From a love of higher spending and borrowing, through to higher taxes and mass nationalisations, even his colleagues think he would be a disaster.
From abolishing the Army to withdrawing from NATO, here are the five key things you need to know about the Leader of the Opposition.
That’s Toby Perkins of Chesterfield. And they claim that we’re the Nasty Party.
The Opposition is a fundamentally changed Party – which means this is only the beginning of a ride that will be both funny and deadly serious.
If Corbyn triumphs today, it will be because his party stopped criticising itself in any meaningful way.