There is a Commons majority for Trident and the party couldn't amend Budgets in the way it hopes.
The way in which funding is allocated in Scotland, Wales and Northern Ireland.
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.
Labour's best hope of turning the SNP tide is to focus on the Conservatives.
Tories are pushing the Prime Minister to consider how he could work with Salmond's party in a hung parliament.
Rejecting any arrangement with the SNP would make it far harder for the Labour leader to become prime minister in a hung parliament.
A more social democratic Britain can be achieved, and Scottish Labour's recovery set in train, if a deal is done between Labour and the SNP.
The latest polls show that nothing is changing in Scotland, and why would they?