The parliamentary battle over Brexit and the constitution

Today sees the publication of a new book by the Unit’s Meg Russell and Lisa James, The Parliamentary Battle over Brexit. Here the authors summarise some of its key findings about why parliament was drawn into such controversy over the implementation of Brexit. They reflect on what these events teach us about our constitution, as well as what may need to change in order to avoid repeating such problems, and to mend the damage done.

The UK’s arguments over what became known as Brexit began long before the June 2016 referendum, and continued with increasing bitterness afterwards. Parliament was often central, both as a venue for such arguments, and in terms of disputes about its proper role. It and its members frequently faced criticism and blame. Our new book, published today, charts The Parliamentary Battle over Brexit, from the early pressures for a referendum, through disputes about the triggering of Article 50 and control of the House of Commons agenda, the repeated defeats of Theresa May’s deal, and Boris Johnson’s unlawful parliamentary prorogation, to the UK’s eventual departure from the EU following his deal. The book charts what happened, but also asks what went wrong and whether things could have been handled differently. It reflects on what these events teach us about the functioning of our constitution, and what if anything might need to change.

The book includes a wealth of detail about key political moments, and the roles of different individuals and groups. Here we focus on some of the bigger questions about the lasting legacy of the battles over Brexit for the culture and institutions of UK politics, and particularly for the place of parliament itself. A fuller version of this analysis appears in the final chapter of the book.

Referendums and public participation

The referendum of 23 June 2016 was only the third ever such UK-wide vote (the first being on European Community membership in 1975, and the second in 2011 on changing the House of Commons voting system). The handling of the referendum was the single biggest error of the Brexit process, from which many other difficulties flowed.

Unlike the 2011 referendum, which was underpinned by legislation setting out the detail of the proposed new voting system, no clear prospectus was offered to the voters for Brexit. Prime Minister David Cameron hoped to use the vote – described disapprovingly by the House of Commons Public Administration and Constitutional Affairs Committee as a ‘bluff call’ referendum – to make the question of Brexit go away. Parliament never debated the substance of the question, the government did not detail the options, and civil servants were forbidden from preparing for a Leave vote. Leave campaigners argued at the level of principle, rather than on a specific plan. As one Brexit-supporting interviewee told us, ‘it was only [after the referendum] that different types of Brexit started coming to the fore. Soft Brexit and hard Brexit had never been canvassed before the referendum; the expressions were coined afterwards’. Issues that would soon come to dominate the agenda, such as membership of the Customs Union or Single Market, and crucially the Northern Ireland border, were barely mentioned during the campaign. This left the government – and parliament – in a very difficult position. The different options for Brexit had to be established only after the vote had taken place, and on this the voters had conveyed no clear instruction.

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Reforming the royal prerogative  

The Brexit process raised questions about how – and in what areas – the royal prerogative should operate. Following a lengthy project, which has resulted in a new book on the subject and a Unit report – published today – on options for reform, Robert Hazell explains why the prerogative matters, and how it might be reformed to strike a better balance between parliament and the executive.

The royal prerogative has long been a mystery to most observers. I have now produced a book Executive Power: The Prerogative, Past, Present and Future to help demystify it. It was written with my former researcher (now a barrister) Tim Foot, and covers the whole range of prerogative powers, from going to war and ratifying treaties, appointing and dismissing ministers, regulating the civil service and public appointments, to the grant of honours and pardons and the issue of passports. The book’s 19 chapters provide a comprehensive guide to the operation of the prerogative – past, present, and future – together with suggestions for reform.

Working with us was another researcher, Charlotte Sayers-Carter, and Charlotte and I have distilled the key findings of our book into a much shorter report, Reforming the Prerogative. It selects just five powers, to illustrate the scope for reform through codification in statute, soft law, or by clearer and stronger conventions. This blog offers edited highlights from the book and the report, to explain why the prerogative matters; to illustrate this with a few prerogative powers; and to suggest ways in which it might be reformed.

What is the prerogative?

The prerogative derives from the original executive powers of the Crown. Over the years these have been overlain and superseded by statute, and most powers have transferred to ministers. The monarch retains the power to summon, dissolve and prorogue parliament; to grant royal assent to bills passed by parliament; to appoint and dismiss ministers. The main prerogative powers in the hands of ministers are the power to make war and deploy the armed forces; to make and ratify treaties; to conduct diplomacy and foreign relations; to grant peerages and honours; to grant pardons; to issue and revoke passports.

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The constitutional causes and consequences of the Truss-Kwarteng budget crisis

Within weeks, Liz Truss’s premiership was plunged into economic and political turmoil due to Kwasi Kwarteng’s ‘mini budget’. But this crisis, suggests Meg Russell, has distinctly constitutional roots. Building on Boris Johnson’s legacy, Truss chose to sideline expert officials and regulators, and shut out her own MPs. The consequences that have since befallen her are a compelling advertisement for respecting – and rebuilding – appropriate constitutional checks and balances.

The Conservative Party conference, indeed the entirety of Liz Truss’s new premiership, has been severely destabilised by the market reaction to Chancellor Kwasi Kwarteng’s ‘mini budget’. Far from securing Truss her desired reputation for acting on the energy crisis and boosting the economy, and a positive bounce in the polls, Kwarteng’s 23 September ‘fiscal event’ saw the pound plunge, lenders withdraw mortgage products, and Labour achieve record poll leads. Faced with a mass rebellion by Conservative MPs, Kwarteng performed a U-turn on abolition of the top rate of income tax, while other parts of the package may face further such trouble ahead.

Fiscal policy is well beyond the usual scope of the Constitution Unit blog, or of this author. But the extent to which the unforced economic and political crisis built on foundations of poor constitutional and governance practice is striking. Boris Johnson played fast and loose with many constitutional norms, and Liz Truss seems quickly to have followed suit. But her now catastrophic position – with some Conservative MPs calling for the Prime Minister’s removal after less than a month in the job – demonstrates just how shortsighted and dangerous such behaviour can be.

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The UK’s constitutional norms and standards took a severe battering under Johnson: Labour should pledge to restore the system

There is no guarantee that the Johnson government’s dismal record on safeguarding our democracy will be improved upon by the new Prime Minister, Liz Truss. This creates big opportunities for Labour to offer a real alternative by restoring integrity and accountability to politics, writes Meg Russell.

Concerns about honesty and integrity and the erosion of constitutional norms were central to Boris Johnson’s dramatic downfall. The new Prime Minister’s attitudes in this area remain largely untested – though the omens during this summer’s leadership contest were not good. Meanwhile, public opinion research suggests that voters really care about these questions. That presents significant opportunities for Labour.

The charge sheet against Johnson was remarkably long. The journalist Peter Oborne, formerly political editor of the Spectator and a Telegraph columnist, dedicated both a website and a book to chronicling Johnson’s uneasy relationship with the truth. This trait was well known before he assumed the premiership and to an extent ‘priced in’. But the difficulties under his leadership went far wider, covering multiple aspects of integrity in politics and respect for the essential rules and norms that underpin UK democracy. This often put him at odds with regulators and non-political figures holding responsibility for maintaining the system, as well as with senior figures in his own party.

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Boris Johnson’s constitutional legacy

Boris Johnson’s premiership is expected to end on 6 September, when it is anticipated that he will offer his formal resignation to the Queen at Balmoral and make way for the winner of the Conservative Party leadership election. Lisa James demonstrates that his time in office has been marked by an impatience with constitutional checks and balances and a willingness to depart from convention. She argues that his legacy risks being the normalisation of such behaviour.

What have been the major issues and challenges during Johnson’s premiership? 

Constitutional controversy has been a consistent feature of Boris Johnson’s premiership. His first months in office, amid the turmoil and acrimony of the late-2019 Brexit deadlock, were marked by the unlawful prorogation of parliament, suggestions that he would defy the law, and briefings from allies that if the Commons withdrew its confidence he would ‘dare the Queen to sack him’.

Thankfully, the monarch was not dragged into Johnson’s resignation this summer. But the Prime Minister stepped down only after a tense standoff with his own party, as it forced him from office over a series of standards-related scandals. The most prominent of these, partygate, will outlast Johnson’s premiership – with the Privileges Committee’s investigation into whether the Prime Minister misled parliament ongoing.

Though the intervening years perhaps lacked such obvious constitutional fireworks, these topics were never off the agenda. The Johnson government’s reform programme, and behaviour, often provoked controversy; the COVID-19 pandemic raised questions about how the country should be governed in times of crisis; and the fallout from Brexit heightened tensions over the territorial constitution, as discussed elsewhere on this blog – particularly in Northern Ireland.

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