How Britain Plunged Into Its Worst Constitutional Crisis in 400 Years

Boris Johnson’s efforts to ram through a no-deal Brexit have unleashed a massive fight over who holds political power in the U.K.

British Prime Minister Boris Johnson attends a year-six history class with pupils during a visit to Pimlico Primary School on September 10, 2019, in London, England. Photo: WPA Pool/Getty Images

The news hit like a shockwave across British politics. On Wednesday morning, three of Scotland’s most senior judges found that the…