"I will remain in the same position by 2027," the Prime Minister declared, noting that if the discussion went well, he might welcome the interviewer into Downing Street for a follow-up conversation next year.
For a PM, there's never truly break for those in the top job. Shortly before the interview began, the PM had been on the phone with Ukraine's Volodymyr Zelensky and attempting to decipher precisely had occurred in Venezuela, where his close friend, US President Donald Trump, had just launched a strike against and detained its leader, Nicolás Maduro.
Once our lengthy talk, which was far more extended than typical, had ended, Maduro had been indicted in New York.
As the year commences, Starmer appears to have had a degree of a revitalisation. Perhaps even just a little relaxation with his family at Chequers, the prime minister's rural getaway.
This appeared to have resulted in better spirits than at the sluggish conclusion of 2025, a terrible annus horribilis for him.
But are he and his colleagues deluding themselves if they think his fortunes are about to improve?
The uncomfortable truth for the prime minister is that many of his fellow MPs believe he's ineffective at his job. Several of them would sooner take a risk and remove him sooner rather than later.
But Starmer was rejecting the idea in the interview on Saturday morning.
Repeatedly he insisted he'd be "assessed at the general election", arguing nobody would remove his term from him – despite the fact that the most effective strategy of preventing Nigel Farage and Reform UK getting to No 10 could be for Labour to replace its leader.
"We are in the fight of our times and I aim to guide the party," he declared.
The issue for the prime minister is that he will be judged long before then – in a huge set of elections in May across the UK. He attempted to contend, perhaps too much, that they are concerning who runs councils, and who runs the devolved administrations in Holyrood or Cardiff – and not a verdict on Westminster.
Accurate – in part. But although he may be reluctant to admit it, No 10 will be held accountable by those elections too.
This did not stop Sir Keir stating that there were no circumstances under which he would resign, should one of his colleagues challenged him for the job, if those elections be catastrophic for Labour.
He tried to account for his low poll ratings by saying the public was naturally eager for things to change. He tried to persuade me, and the nation, that 2026 would be distinct.
The economy would recover in the face of rising unemployment, he said, when strategies the administration enacted during their first rocky year began to bear fruit.
His central message is that this year the country will "reach a turning point".
The prime minister may have communicated with renewed vitality than I've seen from him for a some time – calmer, maybe, with a longer slot to talk.
However, in spite of encountering demands from within his own party for a bolder approach, with increased political clarity, more vigour, more pace and more immediacy, his points were repeated ones.
Given that he is in such significant political peril, is a different approach required a change of tack?
No administration, and certainly not one that has been struggling in the polls for an extended period, gets everything its own way.
The Prime Minister's problems are not only because government is hard, but because he and his team have erred, even in the recent past.
The PM admitted that he regretted saying he was "happy" to see the return of the Egyptian-British activist Alaa Abd El Fattah to the UK following an backlash when statements he'd made in the past – including calls for Zionists and police to be killed – resurfaced.
Sir Keir blamed "the system" for not catching what the activist had said before – a fancier way of saying not my fault.
And he is courting evident political risks as the year progresses. His alliance with the US president acquires a new jeopardy after Trump's strikes on Venezuela.
Based on years of interviewing Sir Keir Starmer, a ex- human rights lawyer who was against the war in Iraq, over many years, the notion he would be content with this kind of intervention seems unlikely.
He told me he was a "lifelong advocate of international law" but the public "just haven't got the complete details at the moment".
Some called for him to condemn it prior to we spoke. And the government is likely to face further scrutiny to give an clear view in Parliament in the next few days.
There has also consistently been bubbling desire in the Labour ranks to revisit some of the results of Brexit.
The PM rejects he's doing that, but his new specific commitment to move closer with the European trading bloc – the giant economic European market – will probably elicit howls that he is breaking his pledge never to try to undo the decisions that followed Brexit.
A move to integrate into more of the single market will delight a faction on his backbenches, but it is prime ammunition for Reform and the Conservatives to
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