This is seriously good news. And it comes, moreover, on a day of already seriously good news.
Looking a bit gloomy for McJonah.
One point that immediately leaps to mind is that if the judicial review does rule that the government must hold a referendum on the EU Constitution that, all jokes aside, can only mean curtains for Gordo. He could never survive such a set-back.
Imagine a referendum is held and, inevitably, rejects the Constitution by a vast majority. What was left of Gordo's threadbare authority would shrivel instantly. This being patently obvious, he would have to step down beforehand.
Still, this is only Round One. Long way to go yet.