The recent Brexit-related goings-on in the  UK Parliament seem, in some minds at least, to have thrown up a crucial question: is Britain’s “sovereign” Parliament as important – or as sovereign – as we assume? There can be heard the steady drumbeat of those who think Parliament is a secondary part of the British constitution – and should stand aside to let the Government govern.
This is in contrast to, say, the barrister Lord Pannick in the second constitutional case launched by Gina Miller (R (Miller) v The Prime Minister 2019) on Boris Johnson’ prorogation of Parliament. Pannick was at pains to suggest, contrary to the generally held constitutional view, that Parliament (rather than simply laws passed by Parliament) was sovereign and so the Prime Minister’s power to prorogue (end the parliamentary session, dismissing MPs and peers until a new session is called) should be open to judicial oversight regarding the legality of its use, like most actions of the Executive.
The argument against Parliament
So the question arises, which is the premier body in the British constitution, which is top dog: the Executive or the Legislature? As it happens, the historian Robert Tombs had answered this question to his own satisfaction in the Times some weeks before in a piece headlined: Parliament has no right to plot a Brexit coup.