Brexit: Streeting drops a bomb
Britain's former health secretary breaks a Labour taboo and calls for the U.K. to rejoin the European Union — while openly challenging Prime Minister Keir Starmer for the party's leadership.
At a Glance
Wes Streeting, Britain’s recently resigned health secretary, formally announced his candidacy for the Labour Party leadership at the Progress conference on May 16, 2026.
He called Brexit a historic mistake that left the U.K. poorer and weaker, and called for an eventual return to the EU — an unprecedented public stance from a Labour figure of his stature.
The move comes as Keir Starmer, Britain’s prime minister, faces mounting pressure following Britain’s ruling Labour Party‘s poor showing in recent local elections.
A resignation engineered as a declaration of war
Wes Streeting didn’t just walk out of the Starmer government on Thursday, May 14 — he turned his exit into a political statement. Two days after resigning as health secretary, he took the stage at the Progress conference, the reformist wing of Britain’s ruling Labour Party historically associated with Tony Blair, to announce his candidacy for the party leadership and demand, without any ambiguity, that Keir Starmer, Britain’s prime minister, step aside.
The timing was deliberate. Labour had just taken a beating in local elections, a result widely read as a sign of growing disillusionment among its own voters. From that position of vulnerability, Streeting chose to attack on ground the party had carefully avoided for years: Brexit.
Why Brexit is back at the center of the debate
The argument Streeting brought to the Progress audience was calibrated for impact. He framed Brexit as the first of three major structural mistakes the country needs to confront — the one from which everything else, economic decline, loss of influence, a collective sense of going backward, flows.
His core claim: leaving the European Union in 2016 left Britain in a state of weakness not seen since before the Industrial Revolution. The historical sweep of that assertion is striking — and politically uncomfortable, since it implicitly indicts not only the Conservatives who delivered Brexit, but also the Labour leaders who chose to accept it once in power.
Streeting went further, calling for the U.K. to eventually rejoin the Union. This is, to our knowledge, the first time a senior Labour figure of his standing has made that case publicly, in that setting, and with that degree of clarity.
The geopolitical window behind the timing
The Brexit question has been creeping back into the British public debate for a specific reason: Donald Trump’s unpredictability has strained the transatlantic relationship on which London had been banking since 2016. The idea that the U.K. could offset its exit from the EU’s single market — the world’s largest trading bloc — through a deepened partnership with Washington looks shakier today than it did at the time of the referendum vote.
This geopolitical realignment seems to have opened a window. Streeting identified it and moved. His speech carried no trace of European nostalgia — it spoke of power, wealth, and real sovereignty. That is a pragmatic argument, not a sentimental one, and it is built to persuade beyond the committed pro-European camp.
For a reader in the United States or Canada, a rough equivalent might be a senior Democratic senator who, in the wake of a midterm defeat, publicly called for the U.S. to recommit to multilateral institutions and trade agreements his own party had accepted abandoning. The political charge is comparable.
What this moment reveals
Can the Labour Party govern sustainably without naming what Brexit has cost?
The deeper question Streeting’s intervention raises is not “will the U.K. rejoin the EU?” — that scenario remains, in the short term, unlikely.
Starmer has bet on the opposite approach for two years: normalize Brexit, avoid reopening the debate, build a “pragmatic rapprochement“ with Brussels without ever uttering the words that sting. That political calculation was understandable. It is now working against him.
By saying “catastrophic mistake” in public, Streeting has broken the party’s internal consensus. Every potential candidate for the succession will now be forced to take a position. What had been a closed subject has become a fault line — inside a party that was supposed to have moved on.
If a leadership race opens, it will not be fought solely on economic policy or governing style. It will hinge on this foundational question: how far can a governing party go in naming the mistakes of the past without sacrificing its ability to win the next election?
The bottom line
Wes Streeting just placed Brexit at the center of a Labour leadership contest that has not yet officially begun. In doing so, he transformed what remained a tactically avoidable subject into an unavoidable strategic choice. The real unknown is not whether he can win — it’s how many European leaders, and how many chancelleries, are watching London today and asking themselves whether something is genuinely shifting.
Sources: Euronews