Andy Burnham told the BBC that his first conversation with Donald Trump had gone well. The president, he said, had been warm. It was the kind of throwaway diplomatic pleasantry new prime ministers offer after their maiden call with Washington, meant to signal competence and calm rather than to make news. Days later, in the Oval Office, Trump gave his own account of the same call. He could not quite remember Burnham's name. He claimed the new Prime Minister had promised to open the North Sea to fresh drilling, a commitment Burnham has made no public move to give and one that would breach a manifesto pledge his government is expected to largely uphold. He also said he had told Burnham that immigration was killing his country.

The gap between those two versions of one phone call is not really a story about oil, or even about Trump's tenuous grip on detail. It is a story about how little control a new prime minister has over the narrative built around him within days of taking office, and how much of his time and authority get pulled in directions he did not choose. That matters more for Burnham than it would for most incoming leaders, because he has already told the country what he intends to spend his premiership on. It is not energy policy and it is not managing Washington. It is social care.

Burnham has said plainly that the NHS will collapse without a social care overhaul, and that he intends to stake real political capital on delivering one before he leaves office. He has reason to be cautious about that bet. He tried and failed to reform social care funding as health secretary in 2010, watched the proposal collapse under press hostility, and has spoken since about the lessons of that failure. This time he has signalled he will not be deterred by what he calls scare stories, and that some decisions will be difficult and will be presented honestly to the public rather than dressed up as painless. That is a serious, multi-year undertaking. It requires sustained attention from the centre of government, a Treasury willing to hold a funding settlement in place against pressure, and enough political oxygen to survive the inevitable attacks from opponents already circling. Kemi Badenoch has lost no time demanding he rule out tax rises to pay for it.

Into that already crowded field steps Trump, a leader unusually well practised at generating attention through public mischaracterisation rather than through policy substance. A prime minister who has to spend a news cycle correcting the record on a phone call, and managing the diplomatic fallout of being publicly goaded over drilling and immigration, is a prime minister whose staff and airtime are being diverted from the work of building a social care settlement that can survive contact with the next Budget. None of this shows up in a select committee report or an NHS performance dashboard. It shows up months later, in a funding announcement that is smaller than promised, or a timetable that slips quietly rather than being formally abandoned.

The immigration remarks compound the problem rather than sitting apart from it. A government trying to hold a credible domestic position on migration, while overseeing a health and social care system that remains heavily dependent on overseas recruitment to keep services running, cannot easily perform toughness for an American audience without creating friction with its own workforce strategy. That tension will not resolve itself quietly. It will surface in the same departmental meetings where social care reform is supposed to be taking shape.

None of this means Burnham's reform ambitions are doomed. He has been here before and has been explicit that he has learned from it. But the early weeks of a premiership are when attention is most valuable and most easily stolen, and this episode is the first real test of whether he can protect the project he says matters most from the gravitational pull of a foreign leader who thrives on generating exactly this kind of distraction. The honest measure of Burnham's first months will not be what Trump claims he promised on oil. It will be how much of the Prime Minister's attention social care still commands by the time autumn's spending decisions are made.