He has been marginalised on the world stage, under siege from Labour MPs, unable to push through small reforms to slow down public spending, the PM seems… well, spent.

He has been marginalised on the world stage, under siege from Labour MPs, unable to push through small reforms to slow down public spending, the PM seems… well, spent.

The PM is trying to prove to a volatile country that Labour can fix it - but that will be a challenge when profound policy disagreements are on full display