Former Edinburgh South West MP to leave parliament entirely after five years as a life peer.
The FM said governments should not be 'complacent' about the threat of nations meddling in their affairs.
The shadow business secretary says independence would be for the people of Scotland to decide.
Ex-justice secretary Kenny MacAskill - and newly-elected MP - said a longer wait is 'no bad thing'.
Holyrood backed the Referendums (Scotland) Bill at its final stage by 68 votes to 54.
The UK Government has ruled out a second Scottish independence referendum.
On Scotland Tonight, the SNP leader was also quizzed on indyref2 and her domestic record.