Treasury yet to do due diligence on finding extra money for UK’s Nato spend

How to hit the 3.5% of GDP defence spending promise would be a matter for ‘the next prime minister’, MPs told The Treasury has as yet carried out no analysis of the trade-offs necessary for the UK to hit the 3.5% of GDP defence spending promise made to Nato, chief secretary Lucy Rigby has said. Under robust questioning in a joint session of the Treasury and defence select committees on Wednesday, Rigby repeatedly said that how to fund additional defence spending would be a ma