The Prime Minister’s defeat yesterday was historic and titanic. Everything has changed, and she has to change too. Yesterday, thousands of people descended on Parliament Square to demand their say. Nobody took to the streets to demand a Norway or Canada option. When she came to power, she promised that she would give people more power over their lives. If she is not going to give people the power to have a say over this deal, what was the point of that promise in the first place?