The UK Parliament enacted, in that context, the European Union (Withdrawal) (No 2) Act 2019, often known as the “Benn Act” (it was introduced to the House of Commons by Hilary Benn MP) and less endearingly referred to by Johnson as the “Surrender Act”. This effectively required that unless alternative conditions were met – namely parliamentary approval of a negotiated withdrawal agreement, or parliamentary approval for the UK to leave the EU without such an agreement – then the Prime Minister...