We’ll find out early next week whether the Supreme Court believes that Boris Johnson broke the law and misled the Queen when he advised her to suspend Parliament for five weeks.
The prime minister could be at the United Nations in New York when the justices rule on his actions.
The extraordinary case ended today with Sir John Major, the former Conservative prime minister, arguing that his successor had acted dishonestly.
Whilst lawyers tussled over the basis of our constitution, outside the court questions were still being asked about the progress of the Brexit negotiations in Brussels.