SNP chiefs are this weekend expected to map out their “frustration strategy” aimed at disrupting UK Government business at Westminster in the wake of Theresa May’s decision to plough ahead with the Brexit Bill in the face of Holyrood’s opposition. . http://www.heraldscotland.com/news/16294830.SNP_leadership_plans_its___39_frustration_strategy__39__to_disrupt_Government_business_at_Westminster/