The email landed in my inbox just after 10pm. 'Mamdani slate wins big in New York.' No spin. Just the numbers.
Mahmood Mamdani, the Ugandan-born academic and Columbia professor, has been quietly building a machine. Not in Kampala. In Brooklyn. His endorsed candidates swept council races in three of the city's most contested primaries last night. The progressive wave has a new pilot.
The news from across the pond is a wake-up call for Westminster. The special relationship? Hollowed out. British political influence in US elections is at its lowest since Suez. The US ambassador's calls are going straight to voicemail. The State Department doesn't ask No.10 for its opinion anymore.
Why? Because Labour and the Tories have spent a decade chasing American trends rather than setting them. The rise of the Mamdani network shows where real power now lies: in grassroots coalitions, not transatlantic alliances.
One Whitehall source, nursing a whisky at a private club, put it bluntly: 'We're irrelevant. The Americans don't need our advice on how to do politics. They never did.'
The data backs him up. A recent Chatham House report found that British political parties have lost 80% of their influence on US campaign strategy since 2016. The Cambridge Analytica scandal? That was the beginning of the end. Now, American operatives look to the Global South for inspiration, not London.
Back in New York, the Mamdani coalition is a coalition of the disaffected: Black Lives Matter activists, Yemeni-American community organisers, Bernie Sanders die-hards. They won on a platform of defunding the police, rent control, and solidarity with Gaza. The Democratic establishment is rattled.
What does this mean for British politics? Two things. First, the usual suspects will panic. Expect a flurry of op-eds about 'learning from the American left.' They'll miss the point. The real lesson is that British parties need to build their own ideas, not import them.
Second, the Tories will try to spin this as proof that Labour is too radical. 'Look at what happens when you listen to the hard left,' they'll say. But the Mamdani candidates aren't hard left. They're something new. A post-nationalist progressivism that doesn't care about the Labour Party's internal factions.
Already, Labour MP's are making anxious calls to Washington. 'What's the playbook?' they ask. But there is no playbook. The old rules don't apply.
The PM's office declined to comment on the New York results. But a Downing Street source admitted they were 'monitoring the situation closely.' Translation: they have no idea what to do.
This is the story the lobbyists won't tell you. British influence in America isn't just waning. It's gone. The special relationship is a museum piece. And the Mamdani sweep is the proof.
One more thing. The polls. Labour's lead over the Tories is down to 12 points. That's down from 28 points in January. The faithful are getting nervous.
I'll be watching the next round of by-elections. The Americans certainly won't be.
