The nationalists are barely more left-wing to begin with.
The party is forecast to spend less than Labour and the Lib Dems by the end of the parliament through slower but longer austerity.
There is a Commons majority for Trident and the party couldn't amend Budgets in the way it hopes.
Shadow chancellor says Leader of the House would "talk to all parties" but rejects negotiations on the Budget and defence.
The PM suggested that a Labour government reliant on nationalist support would be forced to cancel infrastructure projects outside of Scotland.
After the nationalists' pledge to oppose the Tories, Miliband could simply invite them to support a left-wing Queen's Speech.
The swing in Labour’s heartlands is even greater than the swing implied by national polls.
Last night’s debate made for good television but told us little we didn’t know and changed nothing. And so the jamboree goes on.
Labour's best hope of turning the SNP tide is to focus on the Conservatives.