As a new study by the Resolution Foundation shows, the difference between the two parties could be "relatively modest".
How the party is being "Pasokified".
The SNP leader's demand for an end to spending cuts is shared with a significant number of Miliband's backbenchers.
The party's biggest opponent in Scotland is time.
New polling of Scottish constituencies show the shadow foreign secretary and Chief Secretary to the Treasury could lose their seats, and Labour could be left with only six seats.
As the party has shed votes to the SNP and the Greens, the Tories have emerged in front merely by standing still.
Preparing for power, home and abroad.
For the first time since the referendum, the polls show a swing against the SNP.
Labour and the SNP have competing visions for Scotland and the UK – could they really find common ground in Westminster?