Vince Cable discusses the government formation on the BBC's Sunday Politics
Cable: SNP have let Scotland down
'It's clear that the SNP have betrayed their own voters by voting in favour of a Conservative government. Their sudden conversion towards the Tories goes against the social democratic policies that the party claims to have. It appears that the nationalists are committing self harm; following a disastrous election for the party, they've decided to do a deal with the devil to receive limited powers for Scotland.
The Liberal Democrats are committed to devolution, while the Conservatives did everything they could to prevent the creation of a Scottish Parliament. How can they be trusted to deliver on their promise of extra powers to the Celtic nations when they opposed devolution in the first place?
We've always supported home rule; the SNP have decided to vote for a penny when they could've had a gold mine. Trusting the Conservatives to deliver on extra devolution to Scotland is like giving a fox a mandate to guard a chicken pen. The nationalists will find that the chicken will be missing by the end of this parliament.
The people of Scotland won't forgive the SNP for this; it's very likely that they'll lose their majority in Holyrood in the next Scottish election. Indeed, it's possible that their majority will be lost long before that with defections as a result of this deal. The people of Scotland don't want to have a Conservative government trust upon them. It's clear that the Tartan Tories are back.