Joanna Cherry QC MP is raising a new Court of Session action which, if successful, would mean the court could sign the Article 50 extension letter if Boris "dead in a ditch" Johnson refused to do so.
If this happens I'll be laughing my socks off for the rest of the year.
https://stv.tv/news/politics/1440734-legal-bid-to-force-johnson-to-sign-off-on-brexit-delay/